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
and something blue.
一些蓝色的。
His toe is swollen, Does it hurt?
他的脚趾肿起来了，疼不疼？
I don't want to know what it's been; I want to know what it is now.
我不想知道它曾经是什么；我想知道它现在是什么。