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 will say so, and you may disagree with him too - politely, of course!
你也可能会不同意他的看法——当然，你应该礼貌地告诉他。
He is imprisoned.
他被捕入狱了。
My French isn't very good but it is enough to get by.
我的法语不是太好，但应付一下也够了。