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
You must observe these simple rules.
你必须遵守这些简单的规定。
No. Can't you see that rocket is almost falling down.
不。你不知道火箭快要倒下来了吗？
he may even, in times of real need, do a little work;
确实需要的时候，他甚至可能干一点儿活，