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. a ring-shaped nebula formed by an expanding shell of gas round a star 行星状星云
随便看	wrot wrote wroth wrought wrought iron wrung WRVS wry wryly wryneck wryness WSW wt. Wu wunderkind wurst wuss wussy WV W.Va. WW WX WY Wyandot wych elm

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