Dual-purpose column
[化] 两用柱; 两用萃取柱
🧩 词语组成解析
dual
['dju(:)əl]
adj. 双的，两部分的，二体的，二重的;
n. 双数;双数词;
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
As a matter of fact,
事实上，
How much is the interest a year?
每年利息多少？
That's right. On Friday. I'm going there for the holiday with my parents.
是的，星期五（动身）。我打算到那儿和我的父母一起度假。