而对天文观察者来说,它意味着夏季的标志—夏季大三角(在夏季的东南方高空里由天琴座的织女星、天鹅座的天津四及天鹰座的牛郎星组成的三角形)的退去和预示着秋季的星座的到来。
For skywatchers it means the passing of the season's trademark Summer Triangle of stars and the arrival of the autumn constellations.
圆规星:座位于南半球在苍蝇座和南三角座附近的一个星座。
Circinus:a constellation in the Southern Hemisphere near Musca and Triangulum australe.
这个三角形包含了来自三个不同星座的三颗明星。
The Triangle consists of three bright stars in three different constellations.
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