Polyisobutylene
n. [化]聚异丁烯
🗣️ 情景例句
Oh, Robbie will be thrilled.
啊， Robbie会高兴得不得了。
Without all the facts, Helen could only conjecture a solution.
由于事实还没有全部完备，海伦只能臆测解决的方法。
I turned to look at the children, but there weren't any in sight: they had all run away! The man laughed when he realized what had happened.
我转过头去看那些孩子，但一个也不见，全都跑了！当那个人明白了发生的事情时，笑了起来。