Percolation tests
[医] 渗漉试验
🧩 词语组成解析
n. 过滤, 浸透\\n[计] 渗透
n. 测验（test的复数）
🗣️ 情景例句
Something simple--but a good one.
要简单的，但要精美 。
I hope he will meet me at the airport.
我希望他能到机场接我。
Would it be too much to ask you to respond to my question by tomorrow?
可以请你在明天以前回复吗？