Enathaldehyde
庚醛
🗣️ 情景例句
He's not making much progress with his English.
他的英语进步不大。
Where is the ticket office?
售票处在哪儿？
When my old friend Brian urged me to accept a cigarette, it was more than I could bear.
当我的老朋友布赖恩极力劝我接受一枝香烟时，我再也忍不住了。