Endlichite
砷钒铅矿
🗣️ 情景例句
The girls learned a great deal.
女孩们学到了许多东西。
Speak well of your friend, of your enemy say nothing.
要赞美朋友，莫提及敌人。
He is now satisfied merely to try to stand up, but as soon as he does so a porpoise knocks him flat.
此时的海龟，只要能站起来就满足了，但它刚站起来，就被一只海豚击倒。