英语词汇protogalaxy怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	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	lifesaver life science life-size life span lifestyle life support life-support life-support system lifetime lifeway lifework life zone life–and–death life–or–death life–or–death life–size life–sized life–support life–support system LIFO lift lift lifted liftgate lifting

英汉双解词典包含166908条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。