Ethiopsite
硫化汞
🗣️ 情景例句
You probably heard about it. We have private teachers in our holiday.
或许你已经听说过。我们交大的学生在假期间做家教。
A close mouth catches no flies.
病从口入，祸从口出。
Mr. Huawei always has a lot of meetings to attend.
华威先生总有开不完的会。