r

abbreviationin writing

right右
- l to r: Jane, Elizabeth and Mary从左往右依次为：简、伊丽莎白和玛丽

R

noun

/ɑː(r)/

/ɑːr/

(also r)

[countable, uncountable]

(plural Rs, R’s, r’s

/ɑːz/

/ɑːrz/

)

Idioms

[countable] the 18th letter of the English alphabet英语字母表的第 18 个字母
- ‘Rose’ begins with (an) R/‘R’.rose 一词以字母 r 开头。
see also A & R, R & R
[uncountable]
(also R number [countable])
a way of measuring how quickly a virus spreads through a population by calculating the average number of people who get an infection from just one person with the virus (the abbreviation for ‘reproduction number’ or ‘reproductive number’)一种衡量病毒在人群中传播速度的方法，通过计算仅感染该病毒的一个人感染的平均人数（“繁殖数”或“繁殖数”的缩写）
- We are still seeing new infections every day and the R is close to 1.我们每天仍然会看到新的感染病例，R 值接近 1。
Topics Healthcarec2, Scientific researchc2

Idioms

the three Rs

(old-fashioned) reading, writing and arithmetic, thought to be the most important parts of a child’s education初等教育三要素（被视为儿童教育最重要部分的读、写、算）

R

abbreviation

/ɑː(r)/

/ɑːr/

(British English) Queen; King (from Latin ‘Regina’; ‘Rex’)女王，国王（源自拉丁语 Regina、Rex）
- Elizabeth R.伊丽莎白女王
R.
(especially on maps) River（尤用于地图）河，江
- R. Trent特伦特河
(also R. especially in North American English)
(in politics in the US) Republican共和党人；共和党党员
(British English) Royal（用于服务于国王或女王或受其赞助的组织名称）王室的，皇家的
- the RAC (= Royal Automobile Club)英国皇家汽车俱乐部
(in the US) restricted (= a label for a movie that is not suitable for people under the age of 17 to see without an adult present)限制级（电影分级用语，表示未满 17 岁的人无成人陪同不宜观看） compare G (1), NC-17, PG-13Topics Film and theatrec2
roentgen伦琴

单词	r
释义	r abbreviationin writing right右 l to r: Jane, Elizabeth and Mary从左往右依次为：简、伊丽莎白和玛丽 R noun /ɑː(r)/ /ɑːr/ (also r) [countable, uncountable] (plural Rs, R’s, r’s /ɑːz/ /ɑːrz/ ) Idioms [countable] the 18th letter of the English alphabet英语字母表的第 18 个字母 ‘Rose’ begins with (an) R/‘R’.rose 一词以字母 r 开头。 see also A & R, R & R [uncountable] (also R number [countable]) a way of measuring how quickly a virus spreads through a population by calculating the average number of people who get an infection from just one person with the virus (the abbreviation for ‘reproduction number’ or ‘reproductive number’)一种衡量病毒在人群中传播速度的方法，通过计算仅感染该病毒的一个人感染的平均人数（“繁殖数”或“繁殖数”的缩写） We are still seeing new infections every day and the R is close to 1.我们每天仍然会看到新的感染病例，R 值接近 1。 Topics Healthcarec2, Scientific researchc2 Idioms the three Rs (old-fashioned) reading, writing and arithmetic, thought to be the most important parts of a child’s education初等教育三要素（被视为儿童教育最重要部分的读、写、算） R abbreviation /ɑː(r)/ /ɑːr/ (British English) Queen; King (from Latin ‘Regina’; ‘Rex’)女王，国王（源自拉丁语 Regina、Rex） Elizabeth R.伊丽莎白女王 R. (especially on maps) River（尤用于地图）河，江 R. Trent特伦特河 (also R. especially in North American English) (in politics in the US) Republican共和党人；共和党党员 (British English) Royal（用于服务于国王或女王或受其赞助的组织名称）王室的，皇家的 the RAC (= Royal Automobile Club)英国皇家汽车俱乐部 (in the US) restricted (= a label for a movie that is not suitable for people under the age of 17 to see without an adult present)限制级（电影分级用语，表示未满 17 岁的人无成人陪同不宜观看） compare G (1), NC-17, PG-13Topics Film and theatrec2 roentgen伦琴 see also R & B, R & D
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