Picrolonic acid
[化] 苦酮酸\\n[医] 苦酮酸
🧩 词语组成解析
🗣️ 情景例句
when the dog scratched on the front door.
当那狗在抓前门时。
It is not the gay coat that makes the gentleman.
君子在德不在衣。
It's a pencil-box.
一只铅笔盒