名词
中文翻译：大熊座
同义词：
['Big Bear', 'Big Owl']
例句：
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1.The Big Dipper is the brightest star in the night sky.
大熊座是夜空中最亮的星星。
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2. The Big Dipper is often used as a symbol of constellations.
大熊座常常被用作星座的象征。
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3. In ancient times, people believed that the Big Dipper was a guide to the stars.
在古代，人们相信大熊座是星星的向导。