Polyisobutylene
n. [化]聚异丁烯
🗣️ 情景例句
He is not cut out for teaching.
他不是当教师的料。
John would like to touch some of the sculpture in the art gallery.
约翰想触摸几件美术馆的雕刻。
He reminds me of his brother.
他使我想起了他的弟弟。