n.雙子座；【天】雙子宮
A constellation in the Northern Hemisphere near Leo and Gemini. 巨蟹星座北半球獅子座和雙子座附近的一個(gè)星座
A double star in the constellation Gemini, the brightest star in the group, approximately 46 light-years from Earth. 北河二雙子座中的一顆雙星，是這組星中最明亮的一顆，距地球約46光年。
