Methanamide
[化]甲酰胺
??? 情景例句
We'll open a letter of credit if you promise to effect shipment one month earlier.
如果你方答應提前一個月交貨，我們就同意開信用證。
A good beginning is half the battle.
首戰告捷等于一半勝利。
Yes, that's right.
是的。