Polyisobutylene
n. [化]聚异丁烯
🗣️ 情景例句
It was so nice meeting you, Mr. Stewart.
很高兴遇见你， Stewart先生。
He who wants a mule without fault,must walk on foot.
指望驴子无缺点，只有自己徒步行。
So where's your bike today?
那么今天您的自行车在哪里呢？