Column efficiency
[化] 柱效率
🧩 词语组成解析
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
Come in, please.
请进。
Failure is the mother of success.
失败是成功之母。
Well, I couldn't sleep last night.
啊，我昨晚上没睡好觉。