Chalcosine
辉铜矿
🗣️ 情景例句
Hi, Susan.
嗨， Susan。
No, I can't go to bed till she says Good night to me.
不，除非她向我道晚安，不然我睡不着。
of the nature of the illness from which his friend was suffering,
不知道他的朋友得的是什么病，