Protonogram
质子衍射图
🗣️ 情景例句
Are you a resident of Shanghai?
你是上海市居民吗？
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…]
Oh, cheer up!perhaps we didn't to do badly.
啊，别灰心！或许我们考得还不太糟。