Tractrix
等切面曲线, 曳物线
🗣️ 情景例句
What kind of computers are you experienced in?
你熟悉哪种电脑？
That which is evil is soon learnt.
恶行易学。
I don't think there are. But there are more men than women scientists. And more men than women are heads of companies.
我想没有。但是，男科学家比女科学家多。而且，各公司的负责人中，男人要比女人多。