Cand,cann
[化] 萤石
🗣️ 情景例句
I take the next left turn to the stop sign.
我在下个路口左转弯， 到一个停车再开标志处，
Will it be convenient for you to explain your plans to him?
你向他解释计划将是方便的吗？
When the instrument is situated at more than 700 miles from the earthquake centre,
如果把这种仪器安装在距震源700多英里远的地方，