Wittite
硫硒铅铋矿
🗣️ 情景例句
and I have a production meeting at four.
我四点钟有个生产会议。
As this is a special offer, we hope you won't miss this opportunity.
因这是特殊报价，希望您不要错失良机。
It's a pleasure. What time is it by your watch, please?
不客气。请问，你的表几点了？