Benjaminite
铜银铅铋矿
🗣️ 情景例句
Yeah, I do.
不， 我要这样。
Advanced technology has enriched China.
先进的工业技术使中国富裕起来。
OK, everyone. Less noise, please! Gather round and listen carefully. First we are going to search the beach and the rock pools. Let me remind you what we are looking for: seaweeds, fish, plants, all living things. When you find anything, make a note where
00在这里集合，游泳之后再吃午餐。别着急！我们有足够的时间。