英语词汇“Orbits of a comet may be open or close”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	Orbits of a comet may be open or close
释义	Orbits of a comet may be open or close. 粗略来说,彗星可以开放或封闭式轨道绕日运行。
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