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单词 r
释义

r1

abbreviationɑːɑːr
  • 1Recto.

    同RECTO

  • 2(giving position or direction) right.

    (位置或方向)同RIGHT

    l to r: Evan, Nic, and David

    从左到右:埃文、尼克和戴维。

  • 3Law
    Rule.

    〔律〕同RULE

    under r 7.4 (6) the court may hear an application immediately
ɑːɑːr
  • 1Radius.

    半径

    2πr
  • 2Statistics
    Correlation coefficient.

    〔统计〕相关系数

    sigmoidoscopic and symptom scores also showed a significant correlation with each other (r = 0.91)

R2

abbreviationɑːɑr
  • 1Rand.

    a farm worth nearly R1,3 million
  • 2(in names of sports clubs) Rangers or Rovers.

    Berwick R
    Featherstone R
  • 3Réaumur (a temperature scale, now obsolete)

    198.6 °R
  • 4Regina or Rex.

    Elizabeth R
  • 5Registered as a trademark.

  • 6(in the US) Republican.

  • 7North American (in film classification) restricted (denoting films restricted to viewers over a certain age).

  • 8(on a gear shift) reverse.

  • 9"R."River (chiefly on maps).

  • 10Roentgen(s).

  • 11Romania (international vehicle registration).

  • 12Rook (in recording moves in chess)

    21.Rh4
  • 13Cricket
    (on scorecards) run(s).

ɑːɑr
  • 1Chemistry
    An unspecified alkyl or other organic radical or group.

  • 2Electrical resistance.

  • 3Chemistry
    The gas constant.

R3

(also r)
nounPlural R's, Plural rs, Plural Rsɑːɑr
  • 1The eighteenth letter of the alphabet.

    1. 1.1 Denoting the next after Q in a set of items, categories, etc.

Phrases

  • the R months

    • The months with R in their names (September to April), considered to be the season for eating oysters.

  • the three Rs

    • Reading, writing, and arithmetic, regarded as the fundamentals of learning.

      why couldn't they just leave well alone and let pupils concentrate on the three Rs?
      Example sentencesExamples
      • Researchers identified a steady rise in time spent on the three Rs by juniors in England over the six years to 2002.
      • Today's tables were based on the results achieved by the first year group of children to be affected by the extension of the primary school drive to improve the three Rs to comprehensives.
      • The practice of publishing figures showing attainment levels among schoolchildren in the three Rs has been scrapped, because the figures repeatedly damned the executive's appalling performance in education.
      • We think it should become national policy that the educational system teach entrepreneurship just like it teaches the three Rs.
      • An annual poll of headteachers shows that increasing numbers of them think the policies being used to improve pupils' grasp of the three Rs in primary schools are working.
      • With the introduction of ‘payment by results’ in the 1860s, all children in elementary schools over the age of 6 were examined in the three Rs.
      • Not enough funding, poor pay for academics, youngsters turning up with no grasp of the three Rs… there's always something to complain about.
      • One of the great developments has been the broadening of education in Ireland from the three Rs to the total development of people.
      • His education there went far beyond the three Rs, taking in falconry, boxing and, most importantly, self-preservation.
      • Perhaps society would be better off if its schools stuck to the three Rs and did a solid job in domains where they enjoy both competence and wide public support.
      • ‘Many were filling gaps in their knowledge of the three Rs, whilst at the other end of the scale at least 20 prisoners were pursuing Open University courses, two of whom gained degrees,’ it says.
      • This seems a real pity since it is common to see grown up girls, well past primary school level, learning the three Rs after they have finished with household work.
      • Some blamed early childhood centres for focusing on the three Rs rather than play.
      • Diversity might include free-thinking, liberal-minded schools, alongside those that favour the firm thwack of the three Rs above all else.
      • Company bosses today said they were satisfied with this year's A level results, but said too many young people are leaving school without a good grasp of the three Rs.
      • There have been calls for a radical delivery of the three Rs, and we back this.
      • It was not until the School Enforcement Act of 1876 that families were legally obliged to have their offspring educated and parents had to pay to have their children taught the three Rs.
      • Like most seven-year-olds, Joe can think of a zillion things to do with his time other than the three Rs, which I assume are still being taught in school.

r1

abbreviationɑːr
  • 1Recto.

    同RECTO

  • 2(giving position or direction) right.

    (位置或方向)同RIGHT

    l to r: Evan, Nick, and David

    从左到右:埃文、尼克和戴维。

  • 3Law
    Rule.

    〔律〕同RULE

    under r 7.4 (6) the court may hear an application immediately
ɑːr
  • 1Radius.

    半径

    2πr
  • 2Statistics
    Correlation coefficient.

    〔统计〕相关系数

    sigmoidoscopic and symptom scores also showed a significant correlation with each other (r = 0.91)

R2

abbreviationärɑr
  • 1Rand.

    a farm worth nearly R1,3-million
  • 2Réaumur.

    198.6 °R
  • 3Regina or Rex.

    Elizabeth R
  • 4Registered as a trademark.

  • 5(in the US) Republican.

    congressman Henry Hyde (R-Illinois)
  • 6North American Restricted, a rating in the Voluntary Movie Rating System that children under 17 require an accompanying parent or adult guardian for admission.

  • 7(on a gearshift) reverse.

  • 8"R."River (chiefly on maps)

    R. Cherwell
  • 9Roentgen(s).

  • 10Rook (in recording moves in chess)

    21.Rh4
ärɑr
  • 1Chemistry
    An unspecified alkyl or other organic radical or group.

  • 2Electrical resistance.

  • 3Chemistry
    The gas constant.

R3

(also r)
nounɑrär
  • 1The eighteenth letter of the alphabet.

    1. 1.1 Denoting the next after Q in a set of items, categories, etc.

Phrases

  • the R months

    • The months with R in their names (September to April), considered to be the season for eating oysters.

  • the three Rs

    • Reading, writing, and arithmetic, regarded as the fundamentals of learning.

      why couldn't they just leave well alone and let pupils concentrate on the three Rs?
      Example sentencesExamples
      • The practice of publishing figures showing attainment levels among schoolchildren in the three Rs has been scrapped, because the figures repeatedly damned the executive's appalling performance in education.
      • One of the great developments has been the broadening of education in Ireland from the three Rs to the total development of people.
      • Today's tables were based on the results achieved by the first year group of children to be affected by the extension of the primary school drive to improve the three Rs to comprehensives.
      • His education there went far beyond the three Rs, taking in falconry, boxing and, most importantly, self-preservation.
      • This seems a real pity since it is common to see grown up girls, well past primary school level, learning the three Rs after they have finished with household work.
      • It was not until the School Enforcement Act of 1876 that families were legally obliged to have their offspring educated and parents had to pay to have their children taught the three Rs.
      • Some blamed early childhood centres for focusing on the three Rs rather than play.
      • Like most seven-year-olds, Joe can think of a zillion things to do with his time other than the three Rs, which I assume are still being taught in school.
      • ‘Many were filling gaps in their knowledge of the three Rs, whilst at the other end of the scale at least 20 prisoners were pursuing Open University courses, two of whom gained degrees,’ it says.
      • Perhaps society would be better off if its schools stuck to the three Rs and did a solid job in domains where they enjoy both competence and wide public support.
      • Researchers identified a steady rise in time spent on the three Rs by juniors in England over the six years to 2002.
      • We think it should become national policy that the educational system teach entrepreneurship just like it teaches the three Rs.
      • Diversity might include free-thinking, liberal-minded schools, alongside those that favour the firm thwack of the three Rs above all else.
      • There have been calls for a radical delivery of the three Rs, and we back this.
      • Company bosses today said they were satisfied with this year's A level results, but said too many young people are leaving school without a good grasp of the three Rs.
      • Not enough funding, poor pay for academics, youngsters turning up with no grasp of the three Rs… there's always something to complain about.
      • With the introduction of ‘payment by results’ in the 1860s, all children in elementary schools over the age of 6 were examined in the three Rs.
      • An annual poll of headteachers shows that increasing numbers of them think the policies being used to improve pupils' grasp of the three Rs in primary schools are working.
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更新时间:2024/9/21 15:20:45