1. Sirius is the brightest star in the sky. 天狼星是天空中最亮的一颗星。
2. A school has honoured one of its brightest and most promising former students. 一所学校给其培养过的最聪明、最有前途的学生中的一位颁了奖。
3. Their astronomers had discovered that at a certain time of year the brightest star, Sirius, would disappear. 他们的天文学家发现，在一年中的某个时候，最亮的天狼星会消失。
4. He points to the brightest stars and describes how to use them to navigate to the Bilma oasis in the eastern desert. 他指着那些最明亮的星星，讲述怎么利用它们找到位于沙漠东部的比尔马绿洲。
5. The Winter Hexagon involves some of the brightest stars visible, forming a large and easily found pattern in the winter sky of Earth's northern hemisphere. 冬季六边形包括一些可见的最亮的恒星，它们在地球北半球的冬季天空中形成了一个大而容易辨认的图案。
