Packed bed filter
[化] 填充层过滤器; 滤清器
🧩 词语组成解析
packed
[pækt]
adj. 充满…的;塞满了…的;
v. 包装(pack的过去式和过去分词);
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
What's that?
什么问题？
She had a headache, because of the weather here.
由于这里的天气原因她感到有些头疼。
Many firms, for instance, have great difficulty in obtaining technical or scientific books from libraries
比如，很多公司向图书馆借阅科技书籍时感到很困难，