Oxamide
草酰胺, 乙二酰二胺
??? 情景例句
Yes?
是嗎？
It must be rather difficult for us to push any sales if we buy it at this price.
如果我們按這個(gè)價(jià)格購(gòu)買，將很能難推銷。
Li Lei, go and find a teacher. I'll go and move away the bag of rice with Lin Tao.
“李壘，你去找老師。我和林濤去搬走那袋大米”。