释义 |
Hal·ley's comet AHD[hălʹēz, hāʹlēz] D.J.[ˈhæliːz, ˈheɪliːz]K.K.[ˈhæliz, ˈheliz]n.(名词)Halley's cometphotographed in February 1986- A comet with a period of approximately 76 years, the first one for which a return was successfully predicted. It last appeared in 1986.哈雷彗星:一颗公转周期为76年的彗星,是第一颗被成功预测何时回转的彗星, 最近一次出现是在1986年
- After Edmund Halley 源自 埃德蒙 Halley
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