Extremal
[计] 极值曲线
🗣️ 情景例句
My parents will think it's a good idea.
我的父母会觉得这是件好事。
I still have some questions concerning our contract.
就合同方面我还有些问题要问。
Yes, I see. How can they get rid of waste water in this way? What a terrible colour the sea is now! It looks as if our class won't be able to bathe at all.
是的，我看见了。他们怎么能这样排放废水呢？海水的颜色多么可怕呀！看来我们班同学根本不能在这里游泳。