Mesitylenic aldehyde
[化] ┯醛; 3,5-二甲基苯甲醛
🧩 词语组成解析
aldehyde
['ældihaid]
n. 醛，乙醛;
🗣️ 情景例句
Do you have any questions in mind about them, Mr. Martin?
你还有什么问题吗，马丁先生？
Stand up,please.
请站起来。
Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出这样的准备是必要的，因为无法预见到洞穴探险者究竟会遇到什么性质的困难。