语言选择:
免费网上英汉字典|3Dict

equinoctial circle

资料来源 : WordNet®

equinoctial circle
     n : the great circle on the celestial sphere midway between the
         celestial poles [syn: {celestial equator}, {equinoctial
         line}, {equinoctial}]
依字母排序 : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z