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
Don't drink then drive.
不要酒后开车。
An hour in the morning is worth two in the evening.
一日之计在于晨。
Could you come here, please? I want some help.
你能来这儿一下吗？我需要帮忙。