Hexanedial
[化] 己二醛
🗣️ 情景例句
You do. You do. There's a book here.
当然 ，当然。书要出版。
Two or three of them look familiar.
我认识他们中的两三个。
We really wish you'll have a pleasant stay here.
我们真诚地希望你们在这里过得愉快。