英语单词短语词组“under lock and key”的中文翻译、释义及用法解析-英汉词典-学苑网

单词	under lock and key
释义	under lock and key securely kept妥善保管；置于极安全之处 *The important documents are all under lock and key．重要文件都已妥善保存起来了。
随便看	ratio ratio analysis ratio-analysis ratiocinate ratiocination ration rational rational actor rational agent rational approach rational argument rational assessment rational basis rational choice rational conclusion rational consideration rational creature rational debate rational decision rational discourse rational discussion rationale rational expectation rational explanation rational ignorance