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
Really?
真的？
The wise man's tongue is a shield, not a sword.
智者之言，是保卫而非攻击。
The woman was a visitor. She did not live in London. She lived in the country.
这老太太是位游客，不住在伦敦。