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
What was that?
你说什么？
I told you so!
你看吧！
The dealer told him that it had just come in, but that he could not be bothered to open it.
古董商告诉他那只货箱刚到不久，但他嫌麻烦不想把它打开。