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英汉双解词典查询
| 单词 | tangent |
| 释义 | tangent n 1 (geometry 几) straight line that touches the outside of a curve but does not cross it 切线. =>illus at circle 见circle插图.2 (abbr 缩写 tan) (mathematics 数) (in a right-angled triangle) ratio of the sides opposite and adjacent to a given angle 正切. Cf 参看 cosine, sine. 3 (idm 习语) go/fly off at a `tangent change suddenly from one line of thought, action, etc to another 突然改变思想、 行动等. |
本英汉双解词典包含38652条英汉词条，是英语学习有利工具。
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