Plumbostannite
铅锑钖矿
🗣️ 情景例句
I enjoyed reading these books very much.
我很喜欢读这些书。
Here is a copy of itinerary we have worked out for you and your friends.Would you please have a look at it?
这是我们为你和你的朋友拟定的活动日程安排。请过目一下，好吗？
Li Lei.
李垒。