Arsenillo
粉粒氯铜矿
🗣️ 情景例句
The game was put off due to heavy rain.
由于下大雨，比赛延迟了。
I wrote several letters on my mother's behalf.
我代表我母亲写了几封信。
Had he worked harder, he would have gotten though the exams.
如果他努力了的话，他就会通过考试的。