Perhydrol
n. [化]强双氧水, 过氧化氢
🗣️ 情景例句
Nothing much.
没什么要紧的事。
Hungry dogs will eat dirty puddings.
饥不择食。
Many firms, for instance, have great difficulty in obtaining technical or scientific books from libraries
比如，很多公司向图书馆借阅科技书籍时感到很困难，