Pentanediol
戊二醇
🗣️ 情景例句
He forgave me for losing his notebook.
他原谅我遗失他的笔记本。
How much will it cost?
这种商品成本价是多少？
Suddenly, there was a slight trembling sound from below, and the captain went down to see what had happened.
突然，从船舱下部传来一声微颤音，船长走下船舱去查看究竟。