英语词汇“protogalaxy”是什么意思，“protogalaxy”的读音、用法及例句翻译-乐坝网

词汇	protogalaxy
释义	pro·to·gal·ax·y AHD[prōʹtō-găl'ək-sē] D.J.[ˈprəʊtəʊˌgæləksiː]K.K.[ˈprotoˌgæləksi]n.（名词）pl. pro.to.gal.ax.ies A mass of hydrogen that is sufficient to form or is already beginning to form a galaxy.原星系：一团足已形成或已开始形成星系的氢
随便看	white squall white squire whitest white stork white sturgeon white supremacist white supremacy whitetail white-tailed deer whitethroat white-throated sparrow white tie white trash white vitriol White Volta whitewall tire white walnut whitewash white water white-water white whale white-winged dove white-winged scoter whitewood whitey

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