Alkanolamide
链烷醇酰胺
🗣️ 情景例句
I have a book with photos of some homes in that area.
我有一本那个地区房子的照片。
What are you doing?
你正在做什么？
Turning back down the main street,
便掉转身子，沿着那条主要街道加快步伐，