| 释义 |
tangent /ˈtændʒənt/
●go/fly off at a ˈtangent (BrE) (NAmE go off on a ˈtangent) change suddenly from talking or thinking about one thing to talking or thinking about another 突然转移话题；突然改变思路◆One moment the professor is working hard on a problem in physics, the next he’s gone off at a tangent and he’s talking about bees.
前一分钟教授还在努力解答物理题，下一分钟他就突然开始讲起蜜蜂来。 NOTE A tangent is a straight line that touches the outside of a curve but does not cross it. * tangent （切线）是与曲线外缘相接但不穿过曲线的直线。 |
