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单词 tangent
释义

tan·gent

noun
/ˈtændʒənt/
/ˈtændʒənt/
Idioms
  1. enlarge image
    (geometry)
    a straight line that touches the outside of a curve but does not cross it切线
    • The cart track branches off at a tangent.车轨在切线处分叉。
    Topics Maths and measurementc2
  2. (abbreviation tan)
    (mathematics) the ratio of the length of the side opposite an angle in a right-angled triangle to the length of the side next to it正切 compare cosine, sineTopics Maths and measurementc2
  3. Word Originlate 16th cent. (in sense (2) and as an adjective): from Latin tangent- ‘touching’, from the verb tangere.
Idioms
fly/go off at a tangent (British English)
(North American English go off on a tangent)
  1. (informal) to suddenly start saying or doing something that does not seem to be connected to what has gone before突然转换话题;突然改变行动
    • He never sticks to the point but keeps going off at a tangent.他从不紧扣主题,却总是离题。
    • Laura’s mind went off at a tangent.劳拉的思绪突然偏离了方向。
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更新时间:2025/3/15 12:17:11