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
Right. What's old?
对了， 旧的东西是什么？
Bite off more than one can chew.
贪多咽不下。
Please don't call me Lily. I'm Lucy. That's Lily over there!
请别叫我莉莉，我是露茜。那边那个才是莉莉。