Packed column
[化] 填充塔; 填充蒸馏塔
🧩 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
That's five points.
五分。
He came to give us a talk yesterday.
他昨天给我们作了一次演讲。
What time would be good for you?
什么时间你合适呢？