单词	阅听众的集合体
释义	阅听众的集合体aggregation of audience
随便看	photographic apparatus photographic astrometry photographic barograph photographic baseline photographic borehole surveying photo graphic charging system photographic chart photographic chemical photographic chemicals photographic chemistry photographic combination photographic copy photographic coverage photographic coverage regulator photographic datum photographic daylight photographic densitometer photographic density photographic--density photographic density pattern photographic desensitizer photographic detection photographic developer photographic document copying machine photographic dosimeter