tangent
US /ˈtæn.dʒənt/
UK /ˈtæn.dʒənt/
名词
1.
题外话, 离题
a completely different line of thought or action
示例:
•
The speaker went off on a tangent about his childhood.
演讲者突然谈起了他童年时期的题外话。
•
Let's not go off on a tangent; stick to the main point.
我们不要跑题，坚持主要观点。
2.
切线
a straight line that touches a curve or curved surface at a single point, but does not cross it
示例:
•
The line AB is a tangent to the circle at point P.
线段AB是圆在点P处的切线。
•
In geometry, a tangent never intersects the curve more than once.
在几何学中，切线与曲线的交点不会超过一个。
形容词
1.
相切的
touching, but not intersecting, a curve or curved surface
示例:
•
The road runs tangent to the lake.
这条路与湖泊相切。
•
The satellite's orbit was tangent to the planet's atmosphere.
卫星的轨道与行星大气层相切。
在 Lingoland 学习这个单词