Janeckeite
硅酸三钙石
🗣️ 情景例句
Good-bye, everybody.
各位再见。
I'm impressed by your approach to business.
你们经营业务的方法给我留下了很深的印象。
I ought to go home. I have to cook supper for my grandmother.
我该回家了。我得给奶奶做晚饭。