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 is your asking price?
你要求的薪水是多少？
I would like to go to the employment agency for a job.
我要去职业介绍所找一份工作。
He told me to unpack my things and then come down to dinner.
他让我打开行装后下楼吃饭。