| 单词 | tractor beam | 
| 释义 | > as lemmastractor beam   tractor beam  n. Science Fiction a (hypothetical) beam of energy used to move or immobilize objects in space. ΚΠ 1931    Amazing Stories Sept. 549/1  				Brandon swung mighty tractor beams upon the severed halves of the Jovian vessel. 1948    Astounding Sci. Fiction Feb. 10/2  				It captures three different scanner-scouts, holding them with some sort of a tractor beam, whirling them around like a stone on a string, and letting them go straight at the nearest planet. 2002    Electronic Gaming Monthly Mar. 135/3  				Jab the grind button anywhere near an edge..and you get yanked to it like you're caught in a tractor beam. < as lemmas  | 
	
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