Polyisobutylene
n. [化]聚异丁烯
🗣️ 情景例句
and the Stewart family.
和Stewart一家人。
Have you heard the weather forecast?
你听天气预报了吗？
His few material possessions make it possible for him to move from place to place with ease.
他几乎没有什么财产，这使他能够轻松自如地在各地奔波。