Organolanthanide
有机镧系元素化合物
🗣️ 情景例句
I can't tell you how sorry I am.
我真的是很抱歉。
I'd like to know how you reached your conclusions.
我想知道你们是如何得出结论的。
My brother has never been abroad before, so he is fending this trip very exciting.
我弟弟以前从未出过国，因此，他觉得这次旅行非常激动人心。