Dervillite
斜锑铅矿
🗣️ 情景例句
Yeah? What was it?
是吗？ 是什么惊喜？
We have some reports to show you for background information.
我们还有一些报告向你介绍背景资料。
I'm afraid all these offices are non-smoking offices.
恐怕这些办公室都是禁烟办公室。