Arctangent
反正切
🗣️ 情景例句
The best way to promote your products is through advertising.
推广产品最好的方法就是买广告。
What is she doing now?
她现在干些什么呢？
Even if one didn't know from concrete examples (the 1936 Olympic Games, for instance) that international sporting contests lead to orgies of hatred, one could deduce if from general principles.
一个人即使不能从具体的事例（例如1936年的奥林匹克运动会）了解到国际运动比赛会导致疯狂的仇恨，也可以从常理中推断出结论。