Methanamide
[化]甲酰胺
🗣️ 情景例句
and he doesn't get to use it.
却又用不上。
When an opportunity is neglected, it never comes back to you.
机不可失，时不再来。
With all these mouths to feed, he didn't know what to do.
由于有那么多人要供养，他不知道怎么办才好。