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	velocity profile velocity ratio velocity ratio velocity variation velocity variation velocity vector velodrome velour velum velvet velveteen velvet glove velvety velvety texture vena vena cava vena-cava venae venae cavae venae-cavae venal venality venation vend vendee