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 is not very interesting to talk to.
跟他谈话没味道。
The view was terrific.
景色美极了。
Good evening! Mr Green, where are you from?
晚上好，格林先生，你是哪里来的？