Hexanal
[化] 己醛; 正己醛
🗣️ 情景例句
Where do you usually spend your weekends?
你通常在哪度过你的周末？
He isn't really serious; he's just playing games with her.
他并不是一本正经，只是跟她玩玩游戏而已。
Jim, how long have you been at this school?
吉姆，你到这学校有多么时间了？