Dibutene
二丁烯, 聚二丁烯
🔁 扩展释义
【化】 二聚丁烯
🗣️ 情景例句
when I was about eighteen years old.
那时我差不多十八岁。
He was pale with fear.
她吓得脸色刷白。
Everyone has something to sell.
人人都有东西可以出售。