Mesitonic acid
[化] ┯酮酸\\n[医] ┩酮酸, α-二甲基-γ-酮戊酸
🧩 词语组成解析
🗣️ 情景例句
Would you excuse me?
失陪一下。
Excuse me. Where is No.5 Street?
对不起，第五大街在哪儿？
He made only six films between 1940 and 1966 and only the first of these is still popular today.
1940年至1966年，他仅制作了6部电影，其中只有第一部至今仍然受到欢迎。