Pre-column
[化] 前置柱
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
He's always made me feel like his own daughter.
他总是让我觉得我是他的亲生女儿。
Good medicine tastes bitter.
良药苦口。
You might try one of our cheaper components.
你试试这种较便宜的组件怎样？