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
He is behind the rest of the class in reading.
他在阅读方面不如班上的其他同学。
All of my paycheck disappears so quickly.
我的薪水在不旋踵之间都消失无踪了。
As soon as she saw it, the woman said she did not like it.
这位妇女对那件衣服只看一眼，就说不喜欢。