| 词汇 | binary star | 
| 释义 | binary star  noun [ C ] uk/ˈbaɪ.nər.i ˌstɑːr/ us/ˈbaɪ.ner.i ˌstɑːr/  联星 a pair of stars that orbit (= follow a curved path around) each other, or one of a pair of stars like this  Like other binary stars, the two appear to be bound by gravity, orbiting around each other.  像其他联星一样,这两颗恒星似乎被引力约束,相互围绕着对方运转。   Hooke discovered in 1664 that Gamma Arietis was a binary star. 胡克在1664年发现白羊座5是一颗联星。  
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