Prepurification
预纯化(作用)
🗣️ 情景例句
Do you know where the nearest post office is?
你知道最近的邮局在哪儿吗？
The frog is frightened at the sight of a snake.
那只青蛙因为看到了蛇而战抖。
I'm sorry, but I don't think this damage is our fault.
抱歉，不过我不认为这次的损坏是我们的错。