Microdomatacea
小粒螺超科
🗣️ 情景例句
I'm not quite familiar with the claim and arbitration in international trade.
我对国际贸易的索赔与仲裁不够熟悉。
He's a smart man.
他是一个精明的人。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，