基本解释[天文学]活动日珥区英汉例句双语例句Just as a sunspot was turning away from Earth on Sept. 8, the active region erupted, producing a solar flare and a fantastic prominence.9月8日正当太阳黑子开始远离地球的时候，活跃区域又发生一次爆发，同时出现一个明显的突起。active prominence region更多例句专业释义天文学活动日珥区