Alcoxide
烃氧基金属
🗣️ 情景例句
I'll be back to see the game.
我到时候来看比赛。
It must be rather difficult for us to push any sales if we buy it at this price.
如果我们按这个价格购买，将很能难推销。
How about having lunch with me?
一起吃顿中饭怎样？