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
Bottoms up!
干杯！
Where were you during the month of April last year?
去年四月份你在哪里？
Are you looking forward to your holiday?
你在盼着你的假期吗？