| 单词 | to pair up | 
| 释义 | > as lemmasto pair up   to pair up   intransitive. To form a pair or pairs.In quot. 1920: to make a (good) match. ΘΚΠ the world > relative properties > number > specific numbers > two > pair > go in pairs			[verb (intransitive)]		 to pair off1794 buddy1895 to pair up1908 1908    A. W. Myers Compl. Lawn Tennis Player 134  				The prevalent custom..is for the members to ‘pair up’ irrespective of style and temperament. 1920    E. O'Neill Beyond Horizon  ii. 37  				Don't you think them two'd pair up well? 1937    Brit. Birds 30 267  				As soon as a couple of birds have paired up, they proceed to exclude other Grebes from a certain area. 1965    D. Lack Life of Robin 		(ed. 4)	 v. 66  				The blackbird apparently pairs up in late autumn. 2001    Independent 27 Feb. (Tuesday Review section) 7/1  				Squaddies in infantry units have to pair up, since just about everything..is done in couples. < as lemmas  | 
	
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