Painite
硅硼钙铝石
🗣️ 情景例句
We have done so much
我们已做了这么多的事
I will have done it by the time you come back.
在你回来之前，我会做完它。[将来完成时，表示将完成…，会做完…]
Here you are, Jim. You must look after your clothes!
给你，你要好好保管你的衣服呀！