Arsenization
砷疗法
🗣️ 情景例句
May I please speak to Mr. Kong?
我可以孔先生讲话吗？
How did you do it?
你是怎样达成它的？
The meeting was scheduled for two hours, but it is not over yet.
会议原定了两个小时，不过现在还没有结束。