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extragalactic [ˌekstrəˌgə'læktɪk]

adj. （位于或来自于）银河系外的;

例句:

  • We shall hardly even touch the captivating problems of modern extragalactic astronomy.
    甚至几乎不涉及现代河外天文学中吸引人的课题.
  • Extragalactic nebula is invisible to the naked eye.
    我们用肉眼是看不到河外星系的.
  • This Paper has Studied the observational parameters of 20 extragalactic H 2 O megamaser Sources.
    研究了至今为止已发现的20个河外H2O超脉泽源的观测参数.
  • There is actually ample proof, such as the Key Project on the Extragalactic Distance Scale.
    来自SA