Alathon
乙烯均聚物, 聚乙烯
??? 情景例句
It just depends on a number of things.
這得靠許多因素才能決定。
Pleased to meet you.
認識你很高興。
Well, you're going to have roast beef and potatoes again tonight!
唉，今晚你們又要吃烤牛肉和土豆了！