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单词 tangent
释义 tan·gentBrE /ˈtændʒənt/NAmE /ˈtændʒənt/ noun
(geometry 几何) a straight line that touches the outside of a curve but does not cross it 切线
(abbreviation tan) (mathematics 数学) 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, sine
fly/go off at a ˈtangent(BrE) (NAmE go off on a ˈtangent) (informal) to suddenly start saying or doing sth that does not seem to be connected to what has gone before 突然转换话题;突然改变行动
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更新时间:2025/5/17 2:06:15