| 单词 | 切点 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔EXACT/NOT EXACT〕What precisely do you mean by ‘relativity’? 你的“相对性”确切点儿是什么意思？朗文写作活用〔cusp〕Mathematics A point at which a curve crosses itself and at which the two tangents to the curve coincide.【数学】 尖点，会切点：曲线上的一个点，曲线在该点与其本身相交，曲线的两条切线在该点重合美国传统〔precise〕Can you be a bit more precise? 你能不能说得更确切点？麦克米伦高阶〔rather〕They're enjoying themselves. Rather (或 Or rather),they appear to be enjoying themselves.他们玩得快活,确切点说,只是看似玩得快活。英汉大词典〔tangent line〕A line sharing a common point with a curve or surface and being the closest linear approximation of the curve or surface at that point.正切线：与一条曲线或一个平面共切于一点的一条线，而在切点处其与该曲线或平面的线性相似最为接近美国传统 |
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