基本解释[天文學]拱極星座英汉例句雙語例句It is high in the northern sky in the circumpolar constellation Ursa Major, the Great Bear .它是高在北天空在極地周圍的星座大熊座，大熊星座。circumpolar constellation更多例句词组短语短語North circumpolar constellation 北拱極星座;北天拱極星座circumpolar constellation更多词组专业释义天文學拱極星座