Propane carboxylic acid
[化] 丁酸
🧩 词语组成解析
propane
[['prəupein]]
n. 丙烷\\n[化] 丙烷
[机] 羧基的
🗣️ 情景例句
Hold on. Wait a minute, please.
等等。请稍等一下。
He is supposed to be there on time.
按理说他应该准时到那儿。
All those who have contributed towards the gift will sign their names in a large album which will be sent to the headmaster's home.
所有凑钱买此礼品的人都将自己的名字签在一本大签名簿上，签名簿将被送到校长的家里。