Packed extration column
[化] 填充式萃取塔
🧩 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
I came to spend some time with my favorite nephew.
我来是为了和我心爱的侄儿相聚一些时间。
There is something in what she said.
她说的话里有些重要的东西。
She was too excited to do any housework that morning,
那天上午，她兴奋得什么家务活都不想做，