Plzj
[化] 掺镧锆钛酸铅
🗣️ 情景例句
When do you need the money?
你什么时候需要钱？
Saturday the whole family will clean out the garage.
周六全家动员打扫车库。
I'm afraid he's out. He won't be back until tomorrow.
对不起，他外出去了，明天才回来。