| 单词 | arrow formation | 
| 释义 | > as lemmasarrow formation   arrow formation  n. formation of birds, aeroplanes, etc., in a shape resembling an arrowhead or V; (also) an instance of this, a V-formation.Quot. 1899   is possibly an attributive use of broad arrow (see broad arrow n. Compounds 1.). ΚΠ 1899    Morning Oregonian 		(Portland, Oregon)	 30 Sept. 1/4  				The broad arrow formation still drove the head of the column forward unmolested through the ranks of the waiting vessels. 1912    New Castle 		(Pa.)	 News 21 Aug. 10/3  				A large bolt of lightning came out of the sky and when a short distance from the tops of the buildings seemed to separate into an arrow formation. 1965    O. Whicher  & J. Wrigley tr.  T. Schwenk Sensitive Chaos 116  				By studying the wing positions of the birds flying in arrow formation, Schieferstein was able to deduce [etc.]. 2012    Times 		(Nexis)	 10 Sept.  				The nine Hawk jets of the Red Arrows, trailing red, white and blue smoke as they bank in their trademark arrow formation. < as lemmas  | 
	
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