Marmag
氧化镁
🗣️ 情景例句
What's the reason why you left your previous employer?
你离开原来那个雇主的原因是什么？
You may be interested in only some of the items.
你也许对某些产品感兴趣。
By the end of next year, they will have finished work on the new stadium.
到明年年底，他们将把新体育场建成。