| 单词 | lazy arm | 
| 释义 | > as lemmaslazy arm   lazy arm  n. a type of boom from which a microphone may be slung. ΘΚΠ the world > physical sensation > hearing and noise > audibility > sound magnification or reproduction > 			[noun]		 > microphone > boom for microphone microphone boom1931 lazy arm1960 1960    O. Skilbeck ABC of Film & TV Working Terms 76  				Lazy arm, a small, hand-held microphone Boom. 1962    A. Nisbett Technique Sound Studio 257  				Lazy arm, simple form of boom consisting of an upright and a balanced cross~member from which a microphone may be slung. < as lemmas  | 
	
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