Sand-bed filter
[化] 砂滤器
🧩 词语组成解析
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
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
She is well-built.
她的身材很好。
All rivers run into the sea.
百川入海。
It has been estimated that if the bridge were packed with cars, it would still only be carrying a third of its total capacity.
据估计，若桥上摆满了汽车，也只不过是桥的总承载力的1/3。