Polyisobutylene
n. [化]聚异丁烯
🗣️ 情景例句
I'll check it, if I may.
如果可以的话，我要核对。
The designer is working hard on a new project.
设计师在努力筹划新颖的设计项目。
They were climbing up the wall of the house and then on to the leaves of the tree.
它们正在顺着房子的外墙往上爬，然后爬上树叶。