“eclipse seasons”的概念、定义、翻译、参考文献-科学参考

单词	eclipse seasons
释义	eclipse seasons [i`klips ´sēz·ǝnz] ^ASTRONOMY The two times when the sun is near enough to one of the nodes of the moon's orbit for eclipses to occur; this positioning occurs at nearly opposite times of the year, and the eclipse seasons vary yearly because of westward regression of the nodes.
随便看	exterior exterior algebra exterior angle exterior ballistics exterior content exterior Jordan content exterior measure extern external aileron external angle external ankle height external armature external auditory meatus external beam external brake external buffer external carotid artery external centerless grinding external circuit external combustion engine external declaration external delay external device external-device address external-device control

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