Pertest
percolation test(ing) 渗透试验
🗣️ 情景例句
OK. Since you put it this way. I'll have to comply.
好吧。既然你这么说，我只好同意了。
Did you sleep well last night?
你昨晚睡得好吗？
Excuse me, are you from England?
对不起，问一下，你是英国人吗？