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
He's up there at the lodge.
他在那边小屋 。
The stations are always full of people.
火车站里经常挤满了人。
In the conversion of saliva into poison, one might suppose that a fixed process took place.
人们可能认为，唾液转变成毒液，其中有固定的程序。