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
What do you think of life in Beijing?
您觉得北京的生活怎么样？
Why didn't you call me?
为什么你不打电话给我？
She tried to explain the situation, saying 'It's only me', but it was too late.
她说了声“是我，别怕！”然后想进行一番解释，但已来不及了。