Scheteligite
水钛铌钇锑矿, 锑钨绿石
🗣️ 情景例句
You are my best friend in the whole world.
你是我在这个世界上最好的朋友。
It is good to have some friends both in heaven and hell.
天堂上和地狱中都有几个朋友，这乃是一件好事。
The woodcutter replied: I'm going to cut this tree down.
伐木工人回答说：“我要把这棵树砍倒。”