Hoppingite
方磺汞矿
🗣️ 情景例句
Where do you work?, What school do you go to?
“你在哪工作？”，“你在哪儿上学？”。
We should take due care for this accident.
我们应该对这件事给予应有的注意。
Then for a period of several weeks we practise doing the play.
随后几个星期我们进行排练。