Acrylaldehyde
丙烯醛
🗣️ 情景例句
I have no time for extra-curricular activities.
我可没时间参加课外活动。
I'll be ready in a few minutes.
再过几分钟就好了。
The man let out cry and jumped back several paces.
那人大叫了一声，惊退了几步。