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
Don't worry about it.
别介意。
Though thy enemy seem a mouse, yet watch him like a lion.
即使敌人小如鼠，也要防他如防虎。
She's OK, thanks.
她很好，谢谢。