Westrumite
可溶油
??? 情景例句
You've got lots of time to improve your English.
你已經(jīng)花了好多時(shí)間去提高你的英語水平。
I'm not really sure about that. Mr. Jiang should know the answer to that.
關(guān)于那事我不敢確定，蔣先生應(yīng)該知道答案。
What's this?
這是什么？