Alkanolamide
链烷醇酰胺
🗣️ 情景例句
In about half an hour. Why?
大约半个小时。为什么问这个？
Cheerfulness and goodwill make labour light.
欢快与好意，劳动不觉累。
No, Jeanne, I wasn't ill. I know I look older than my age now. That's because of hard work-ten years of hard work.
没病，让娜，我没生过病。我知道我看上去比我的年纪要大些，那是因为劳累的缘故--10年的劳累呀！