Polyisobutylene
n. [化]聚异丁烯
🗣️ 情景例句
I strongly agree.
我绝对同意。
Do you have anything to declare for customs?
你有一些东西申报海关吗？
Then the bees left the hive and went to the feeding place.
然后那些蜜蜂离开蜂箱，飞到喂食点去。