基本解释n.[天]星群；[印刷]三星符号同根派生 英汉例句用作名词 (n.)In Greek myth, the Big Dipper asterism represents the hindquarters and tail of the constellation Ursa Major, the Great Bear.在希腊神话传说中，北斗七星的三星符号象征着大熊星座的后臀和尾巴。