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
Ready, folks?
可以点菜了吗？ 两位，
When the fruit is scarcest, its taste is sweetest.
物以稀为贵。
Then we could look at the production line.
然后我们再去看看生产线。