Thoracene
双(环辛四烯)合钍
🗣️ 情景例句
You don't need to do that.
你不用那么做的。
The purpose of my coming here is to inquire about possibilities of establishing trade relations with your company.
我此行的目的正是想探询与贵公司建立贸易关系的可能性。
Well,you mustn't play in the road.It's dangerous. A car may hit you.
嗯，你不可以在路上玩球。那是很危险的。汽车会撞着你。