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
It probably means we can't stay.
看来我们不能待在这儿了。
How many cans are you going to take?
你要拿几罐？
But I think the ones with nuts in them are nicer.
但我认为有果仁的那些更好。