| 单词 | ack-ack fire | 
| 释义 | ack-ack fire in British English (ˈækˈæk faɪə) noun  artillery  another name for ack-ack (sense 1a) ack-ack in British English (ˈækˌæk) noun military 1.  a.  anti-aircraft fire b.  (as modifier)  ack-ack guns 2.  anti-aircraft arms  Word origin C20: British army World War I phonetic alphabet for AA, abbreviation of anti-aircraftExamples of 'ack-ack fire' in a sentence | 
	
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