| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024rear′ guard′, - Militarya part of an army or military force detached from the main body to bring up and guard the rear from surprise attack, esp. in a retreat.
- Anglo-French reregard, Old French rereguarde
- 1475–85
- Militaryof or pertaining to a rear guard.
- designed to oppose or prevent in a defensive way:a rearguard strategy.Also, rear′-guard′.
- attributive use of rear guard 1895–1900
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