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
You were right, Robbie.
你做对了， Robbie。
Money often unmakes the men who make it.
为富不仁。
Read Jimmy's card to me,please, penny.
请把吉米的明信片念给我听听，彭妮。