Cumidic acid
[化] 枯二酸; 4,6-二甲基间苯二甲酸
🧩 词语组成解析
🗣️ 情景例句
Not to worry.
别担心。
Remember thou are but a man.
记住你自己只不过是一个人。
At night, when you really wish to go to sleep, you rarely manage to do so.
到了夜晚，你真想睡了，却很难入睡。