| 单词 | extra-vehicular | 
| 释义 | > as lemmasextra-vehicular   extra-vehicular adj.  Brit.  , U.S.   outside a vehicle; spec. denoting activity outside a space-vehicle while it is in flight.ΚΠ 1965    New Scientist 18 Mar. 700/3  				This ‘extravehicular activity’, as it is termed, will be the first exposure of man in this hostile environment without the protection of a heavy metal coat. 1966    New Scientist 16 June 703/2  				Cernan..had to take repeated rests during his extravehicular activities. < as lemmas  | 
	
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