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
They are eager to learn English.
他们急着要学英语。
Stop looking for excuses.
不要再找借口了！
I am only interested in sitting in a boat and doing nothing at all!
我感兴趣的只是独坐孤舟，无所事事！