| 单词 | drop-frame | 
| 释义 | > as lemmasdrop-frame   drop-frame  n.  Brit.  , U.S.   		 (a) a frame designed to drop or let down;		 (b) a bicycle frame having the top bar lowered or depressed.ΚΠ 1895    Montgomery Ward Catal. Spring & Summer 555/1  				This machine..has our patent duplex drop frame for ladies' use. 1898    Westm. Gaz. 18 Nov. 9/1  				In Professor Lilly's triangulated frame will be found an attempt by a skilled engineer to overcome the ‘drop’-frame difficulty. 1906    Bazaar, Exchange & Mart 12 Oct. Suppl. 1481/2  				Gentleman's cycle, 23 in. drop frame. 1928    Daily Tel. 16 Oct. 7  				Another feature demanded by lady drivers is a drop-frame for the divisional window between the front and rear seats. < as lemmas  | 
	
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