Polyisobutene
聚异丁烯; 聚异丁烯
🗣️ 情景例句
You're on the day shift now.
你现在上白班。
When the tree is fallen, every one runs to it with his axe.
大树一倒下，人人持斧来。
whether or not they wholly alienate landowners and those who live in the countryside.
他们是否弄得土地的主人和乡间的居民同他们反目。