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
My boss does everything by the book.
我们老板一切照章办事。
He has never been out of China, so he is very excited about liveing abroad.
他以前从未出过国，因此对出国很兴奋。
I invited him here. Zheng Jie has some interesting plans. But let's talk more over supper.
我邀请他来的。郑杰有一些有趣的计划。不过，我们不是在吃晚饭的时候再谈吧。