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
You still look like a teenager.
你看起来像一个十几岁的青年。
It's time to begin.
到开始的时候了。
and are capable of a considerable degree of personal affection.
而且会对主人产生相当深厚的私人感情。