Nonadecandioic acid
[化] 十九烷二酸
🧩 词语组成解析
🗣️ 情景例句
It was only a tummy ache.
仅仅是肚子有点痛。
The early bird catches the worm.
捷足先登。
Hello. You look tired today.
你好。你今天显得有点儿累。