Schadeite
水磷铝铅矿
🗣️ 情景例句
Drive carefully.
开车时小心。
They cannot help but be grieved by the death of a friend.
眼见朋友死亡，自己却无能为力，他们感到深深的悲哀。
Mr. Smith is in charge of this class.
史密斯老师负责该班。