| 单词 | jacker-up | 
| 释义 | > as lemmasjacker-up   jacker-up  n. 		 (a) a person who jacks something up (in various senses of to jack up at jack v.2 Phrasal verbs);		 †(b) (in the pencil-making industry) a person whose job is to put glued pencils into a clamp to fix the parts securely together (obsolete). ΚΠ 1911    Crow Bar 		(Minneapolis)	 Sept. 25/2  				The car is brought back to its usual level without mishap, and jacker up proceeds to devise a more stable method. 1921    Dict. Occup. Terms 		(1927)	 §688  				Jacker-up (lead pencil making); places a number of glued pencils together in a clamp, and screws down clamp to make glueing secure; removes pencils when clamping is complete. 1923    N.Y. Times 17 Nov. 12/2  				As ‘the business agent of California products’, which no American ought to consume without gratitude to that thoughtful jacker-up of prices, he lost the odor of progressive sanctity. 1982    Listener 13 May 22/1  				Robert Ponsonby..ought to have known better than to propose this writer as a suitable jacker-up of the new Prom season. < as lemmas  | 
	
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