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
If there is any cinnamon,
要是有的话，
Too much spoils, too little is nothing.
过多反坏事，太少不济时。
Yes, I do.I want her to come to my office.Tell her to come at once.
是的，我要她到我的办公室来。叫她马上就来。