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
If you quit smoking now, you'll feel better in no time.
如果你现在戒烟的话，你很快就会感觉好多了。
Promise little but do much.
少许愿，多做事。
I think it's closed.
我想已经关门了吧。