Bacteria bed
生物滤池
🧩 词语组成解析
bed
[bɛd]
n. 床;苗圃;河床;（地下由黏土、岩石等构成的）地层;
vt. 把…固定在;（某人）发生性关系;给人铺床;
vi. 上床;分层;
🗣️ 情景例句
Have you ever done any correspondence work?
你有处理文书的经验吗？
By the street of Bye and bye one arrives at the house of Never.
迁延因循，一事无成。
What's the weather going to be like at the weekend?
周末的天气怎样？