Oregonite
砷铁镍矿
🗣️ 情景例句
Yes, how many would you like?
好，你要几片？
Wendy, I'd like you to meet my brother Sam.
温迪，我来向你介绍一下我的兄弟萨姆。
It's just the matter of the schedule,that is,if it is convenient of you right now.
如果你们感到方便的话，我想现在讨论一下日程安排的问题。