英语词汇planetary nebula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	planetary nebula
释义	planetary nebulan.（名词）planetary nebulathe Cat's Eye nebulaNGC 6543 A nebula, such as the Ring Nebula, consisting of a hot, blue-white, central star surrounded by an envelope of expanding gas.行星状星云：由一颗炽热的、蓝白色的中心恒星和包围它的一层向外膨胀的气体组成的星云，如环状星云
随便看	actinism actinisms actinium actiniums actino- actinoid actinoids actinolite actinolites actinomere actinomeres actinometer actinometers actinomorphic actinomorphous actinomyces actinomycete actinomycetes actinomycin actinomycin D actinomycins actinomycoses actinomycosis actinon actinons

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