Polybutene
n. [高分子] 聚丁烯；聚异丁烯（润滑油）
🔁 扩展释义
【化】 聚丁烯
🗣️ 情景例句
That sounds exciting.
听起来怪热闹的。
It's urgent to improve the packing.
必须马上改进包装。
They say. So they still have them.
他们说。所以他们依然有圣诞袜。