Polycaprolactam
聚已内酰胺, 尼龙-6
🗣️ 情景例句
Like what?
什么？
I've forgotten what he said his address was.
我忘记了他说他的地址是什么。
There were English cars, French cares, German cars.Italian cars.American cars and Japanese cars.
有英国、法国、德国、意大利和日本的汽车。