Pentynoic acid
[化] 戊炔酸
🧩 词语组成解析
🗣️ 情景例句
They're in my bag.
在我袋子 。
I'm so grateful for this tiny gift, darling.
亲爱的，非常感谢你这份小礼物。
While John Gilbert was in hospital, he asked his doctor to tell him whether his operation had been successful,
当约翰。吉尔伯特住院的时候，他问医生他的手术是否成功，