Polyamide
[化] 聚酰胺
🗣️ 情景例句
Have you been to our Tourist Information Center?
你去过我们的旅客服务中心吗？
Without a friend the world is a wilderness.
没有朋友，世界就等于一片荒野。
There was less food for birds and also for the prairie dog, a kind of animal which lives in holes in the ground.
供鸟类吃的食物少了，供草原犬鼠（一种生活在地洞里的动物）吃的食物也少了。