Diethylacetaldehyde
[化] 二乙基乙醛
🗣️ 情景例句
You really must have your wits about your when dealing with such people.
跟这类人打交道，你必须格外警觉。
Why did the company demand his resignation?
为什么公司命令他辞职呢？
She has been to school.
她上学去了。