Penroseite
硒铜镍矿
🗣️ 情景例句
Maybe we can experiment with your patients
也许我们可以在你的病人中试试
Not all butter that the cow yields.
母牛所产的未必全是黄油。
A tramp may ask you for money, but he will never ask you to feel sorry for him.
游浪汉可能会向你讨钱，但他从来不要你可怜他。