| 词汇 | dead letter |
| 释义 | dead letter n. An unclaimed letter, the owner of which cannot be found. 无法投递之信件。 That which has lost force or influence. (未经正式废除而)失效或无用之规定。 The whipping post is now a dead letter. 笞刑柱现已形同虚设。 |
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