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
Could you tell me a little about your background?
能否请您简短地谈一下贵公司的背景？
Don't bother your father now, he is very tired.
现在别拿这个去烦你爸，他很累了。
You've done a wonderful job. Well done! Well done!
你真做得太棒了！