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
I'm afraid the cardboard boxes are not strong enough for transport by sea.
我担心这种纸箱，用于远洋运输，不够结实。
We've increased our efficiency by 20% through automation.
通过自动化我们的效率增加了20%。
Education is one of the key words of our time.
教育是我们这个时代的关键词之一。