Rabbitite
水菱镁钙石
🗣️ 情景例句
I'm not sure. I'll have to check.
我不能确定，我必须查一下。
I've had this cough for a week now.
我这样咳嗽已经一周了。
I'm sorry, I don't know. You'd better ask that policeman.
对不起，我不知道。你最好问问那位警察。