Polyisobutylene
n. [化]聚异丁烯
🗣️ 情景例句
Something old.
旧的东西。
He didn't want to say anything to influence my decision.
他不想说任何东西都不能影响我的决定。
While this was going on, Mr.Taylor was upstairs.
这开始发生时，泰勒先生正在楼上。