Pennone
四甲基-2-戊酮
🗣️ 情景例句
But if you think you should take the job, we're behind you.
但如果你认为你应该接受这份工作， 我们支持你。
All is fish that comes to one's net.
捉到网里都是鱼。
He collected tetters and made copies of people's diaries.
他收集到一些信件，复印了一些人的日记。