Polyepoxide
聚环氧化物
🗣️ 情景例句
There's always a friend around when you need one.
当你需要朋友帮忙的时候，总会有朋友在你身边的。
The racer's car burst into flames just as he had crawled out.
当赛车手爬出车子后不久，汽车就爆炸燃烧了起来。
No, I can't.
不，不能。