Alathon
乙烯均聚物, 聚乙烯
🗣️ 情景例句
There's a park over there. Let's walk in the park for a while.
那边有个公园。我们去散散步吧！
My coffee is too hot to drink!
我的咖啡热得没法喝。
Is this a book?
这是一本书吗？