Granular-bed filter
[化] 颗粒层过滤器
🧩 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;
filter
['fɪltɚ]
n. 滤波器;滤光器;滤色镜;[化] 过滤器;
vi. 过滤;透过;渗透;
vt. 过滤;滤除;
🗣️ 情景例句
whom I think you've met once or twice before.
我想你以前见过他一两次面。
Wit without learning is like a tree without fruit.
仅有机智而无真才实学，犹如一棵大树不结果。
They go to school here, too, but to a different school.
他们在中国上学，但不同校。