英语词汇heliosheath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	heliosheath
释义	Definition of heliosheath in English: heliosheath noun ˈhiːlɪəʃiːθ Astronomy The outermost region of the heliosphere, in which the speed of the solar wind is subsonic. Origin 1970s. From helio- + sheath. Definition of heliosheath in US English: heliosheath nounˈhiːlɪəʃiːθ Astronomy The outermost region of the heliosphere, in which the speed of the solar wind is subsonic. Origin 1970s. From helio- + sheath.
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Definition of heliosheath in English: