Eschwegeite
碳黑稀金矿, 红烯金矿
🗣️ 情景例句
I just received your letter and I want to let you know my opinion on your plans for the future.
来信已收到，我想告诉你我对你将来打算的看法。
I know the feeling.
我知道那种感觉。
I'm fine, thanks. And you?
我很好，谢谢。你呢？