单词	extragalactic
释义	extragalactic /ˌɛkstrəɡəˈlaktɪk / adjective Astronomy Situated, occurring, or originating outside the Milky Way galaxy: extragalactic radio sources... Hence the whole foundation of extragalactic astronomy and Big Bang theory is swept away’. It is definitely an extragalactic background. The number of these sources is consistent with the expected number of extragalactic sources in the background sky.
随便看	occipitotemporal occiput Occitan Occitanian Occitanic occlude occluded front occludent occluder occlusal occlusally occlusion occlusive occlusor occult occultation occult bleeding occult blood occulter occultic occulting light occultism occultist occultly occultness

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