| 单词 | z-day |
| 释义 | > as lemmasZ-day Z-day n. Military = zero day n. 1. ΘΚΠ society > armed hostility > attack > [noun] > time of attack zero1849 zero day1917 Z-day1925 1925 E. Fraser & J. Gibbons Soldier & Sailor Words 312 The opening of the main attack of the battle of the Somme was fixed for June 29th, and notified beforehand as ‘Z Day’. 1930 S. Sassoon Mem. Infantry Officer iv. 61 Operation Orders..notified us that Thursday was ‘Z’ (or zero) day. 1938 E. Blunden On Several Occasions In the sour concrete hole the corporal shows his muddy map, his Z Day zone of fire. < as lemmas |
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