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
What's your name?
你呢？
There is no royal road to learning.
治学无坦途。
It's about a hundred metres along on the right.
再沿右边边走大约100米。