Pertest
percolation test(ing) 渗透试验
🗣️ 情景例句
I've got a strange feeling that this marriage won't last very long.
我有一个奇怪的感觉，这段婚姻不会长久。
You must get used to getting up early.
你必须习惯于早起。
Yes, it is.
是的。