Arc tangent
反正切
🧩 词语组成解析
arc
[ɑ:k]
n. 综合症状;弧（度）;天穹;电弧，弧光。;
vi. 形成拱状物;循弧线行进;
abbr. American Red Cross. 美国红十字会;
tangent
['tændʒənt]
n. <数>正切;突然转移话题;突兀的转向;（铁路或道路的）直线区间;
adj. <数>正切的;相切的;切线的;离题的;
tang接触+ent具有...性质的→相切的；接触的
🗣️ 情景例句
Don't count your chickens before they hatch.
小鸡孵出之后再算数。
Thank you.
谢谢你。
We set off down the hill. At first it was easy walking over the grass. Then the grass turned to bushes and the hillside became steeper. We climbed over rocks, through trees and found it more and more difficult to get down the hill. By now we were beginnin
我们开始下山，起初很容易地走过草地，后来草地变成了灌木丛，山峰变得更陡了。我们爬过岩石，穿过树林，发现下山越来越难。这时我们感到疲惫，雨也下大了。我在一小块草地上停下来，转身看看跟在我后面的弟弟。就在这时我在两块岩石中间发现了一个洞。“我过去看看，”我喊?2282