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
They're open.
店开着。
Books, like friends, should be few and well chosen.
书籍如朋友，应该少而精。
Chinese take-away food is also popular.
中式方便食品也很流行。