| 词汇 | under lock and key |
| 释义 | ◆under lock and key妥善保存的；被关押的 He is currently under lock and key at Eastmoor secure unit in Leeds.他目前被关押在利兹的伊斯特莫尔隔离牢房。 to be kept under lock and key被妥善保存 The books were normally kept under lock and key in the library vault.这些书籍过去通常被妥善保存在图书馆的地下室里。 See lock |
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