Pertest
percolation test(ing) 渗透试验
🗣️ 情景例句
Remember your father-in-law's a pediatrician.
记住你公公是小儿科医师。
I asked him to leave immediately, but he wouldn't.
我请他马上离开，但是他不肯。
He may gently reprimand an official or even suggest to parliament that a law the altered.
他可以善意地批评某位官员，也可以甚至向议会提议修改某项法律。