- twin stars on mountain
- 双星: double star; binary star
- 到: 39
- 双星到向: twin stars on direction
- 双星: [天文学] double star; binary star◇双星导航 two stars navigation; 双星等高测量法 double star equal altitude method; 双星期 diaster; amphiaster; dyaster; 双星绕转 rotation of binaries
- 来到山顶: come to the toof the hill
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