tangent 详细解释

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

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

词形变化

异体字: tangence |

词义辨析

同义参见:

connected  

英英释义

名词 tangent:

a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point

ratio of the opposite to the adjacent side of a right-angled triangle

同义词：tan

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。

补充

tangenttangent英:[ˈtændʒənt] 美:[ˈtændʒənt]n.1.〈数〉正切; 切线

例句

1. The conversation went off at a tangent.谈话突然偏离了正题。 2. Loretta's mind went off at a tangent.洛蕾塔的思想突然离题了。 3. She went off on a tangent about what happened to her last summer.她开始离题谈起了去年夏天她所遭遇的一切。

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