Polyisobutene
聚异丁烯; 聚异丁烯
🗣️ 情景例句
The battle was very historic.
那场战役在历史上很重要。
I've got no place to go.
天要亡我！
quite apart from its significance as food, or from the literary idea that it will become a bird.
而完全不靠它的食用意义或它会变成鸟这样的文学概念来感觉。