Coloradoite
[化] 碲汞礦
??? 情景例句
What about the bet?
那打賭的事呢？
We've only sold our product at trade fairs, not in an on-going sales campaign.
我們的產品只在商展時展售，而沒有辦促銷活動。
I went back to the ticket office at once.
我馬上又回到售票處。