Packed bed
[化] 填充层
🧩 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;
🗣️ 情景例句
I hear they intend to marry.
我听说他们打算结婚。
He that would know what shall be must consider what has been.
欲知未然，须思已然。
Two hours later, I was talking angrily to the station master at Westhaven.
两小时后，我气呼呼地同威斯特海温站站长说起此事。