Percolation filtration
[机] 渗滤
🧩 词语组成解析
n. 过滤, 浸透\\n[计] 渗透
n. 过滤\\n[化] 过滤
🗣️ 情景例句
She is busy now.
她正忙着呢。
We're having some friends over. What are you doing?
我们打算请几位朋友来玩。你打算干什么呢？
He investigates complaints large and small that come to him from all levels of society.
他听取社会各阶层的各种大小意见，并进行调查。