Pre-column
[化] 前置柱
?? 詞語組成解析
abbr. 煉油工程師（Petroleum Refining Engineer）
column
['kɑl?m]
n. 縱隊，列;圓柱;專欄;
??? 情景例句
You'll need to hurry up, or you'll miss the train.
你得快點，否則趕不上火車。
Water afar quenches not fire.
遠水難救近火。
It could only get over the mountains if it rose to 10,000 feet.
只有在飛至10，000英尺的高度時，它才能飛過這些山頭。