Pertest
percolation test(ing) 渗透试验
🗣️ 情景例句
I would not have missed this get-together for the world!
世界上任何事情都阻止不了我来参加这次聚会！
He that sups with the devil must have a long spoon.
与恶人交往，须特别提防。
They mustn't look.
他们不准看。