tangent

tangent

['tændʒənt]

adj. 接触的, 相切的, 离题的
n. 切线, 正切, 突然的转向
[音乐]击弦金属小片

例句与用法：

It's not easy to follow her think because she's always go off at a tangent.

要跟上她的思路并非易事，因为她老是突然扯到题外去。

The teacher was telling us about the poet's life, when he went off at a tangent and started talking about his war experiences.

老师在给我们讲述诗人生平故事的时候，突然把话题一转，讲开他自己的战争经历来了。

词形变化：

异体字: tangence |

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n.[C]

1. 【数】正切; 切线

2. (铁路或道路的)直线区间

a.

1. 【数】正切的; 相切的; 切线的

tangent circles

相切的圆

2. 离题的; 背离原来途径的

tangent remarks

离题的话

短语词组：

go/fly off at a tangent

1. 突然离题

It's not easy to follow her thought because she's always going off at a tangent.

要跟上她的思路并非易事, 因为她老是突然扯到题外去。