Catalyst-packed column
[建] 催化剂填充塔
🧩 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);
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
and I think I can get a good job
而且我想我也可以找到一份好工作
When the sun comes in, the doctor goes out.
阳光入室，医生出屋。
When did you go home then?
那么你什么时候才回家呢？