Chalkostibite
硫銅銻礦
??? 情景例句
Let's go to the fraternity party.
咱們去兄弟會吧。
Before you go on, I have a question.
在你接著干之前，我有一個問題。
We're planning a tour to Italy this summer.
我們計劃今年夏天到意大利去旅行。