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've been thinking.
我一直在考虑。
The plan worked well.
那项计划进行顺利。
Once there was an old tiger.
从前有一只年迈的老虎。