Perborate
n. [化]过硼酸盐
🗣️ 情景例句
During your computer classes, did they teach you how to fix a cooling fan?
在你的电脑课程，他们是否教过你如何修理散热风扇？
Cheerfulness and goodwill make labour light.
欢快与好意，劳动不觉累。
I'm sorry, but we have a problem here.
对不起，我们有困难。