tangent
/ˈtændʒənt/📚 26397托福GREsatA tangent is a line that touches the edge of a curve or circle at one point, but does not cross it. 切线
noun [专属名词]切线，切面；正切
In this paper base tangent length is put forward and lead angle calculating formula is deduced.
这篇文章提出了公法线长度并推导出超前角的计算公式。
adjective [原级]切线的，相切的；接触的；离题的
It is really the tangent plane.
它确实就是切平面。
noun [专属名词]（Tangent）（美、印度）坦根特（人名）
The conversation went off on a tangent.
谈话突然偏离了正题。
tang(接触) + ent → 和圆相接触 → 切线
单词造句: