Pertest
percolation test(ing) 渗透试验
🗣️ 情景例句
Will you please try to relax?
能不能放轻松些？
I've got no place to go.
天要亡我！
Don't speak to me now, Kate. I must go. I'm late !
凯特，不要和我说了，我必须走了，要迟到了。