Polymethylene
n. [化]聚亚甲基
🗣️ 情景例句
Mr. Maxwell was very kind
Maxwell先生很好心
Let me give you a hand.
让我来帮您一下吧！
The Maori have insisted on keeping their own customs and way of life.
毛利人一直坚持保留他们自己的风俗习惯与生活方式。