| 释义 |
DEFINITIVE EXAMPLES 权威例句〔Algol〕A double, eclipsing variable star in the constellation Perseus, almost as bright as Polaris.大陵五,英仙座β星,恶魔星:英仙座的双星,几乎与北极星一样明亮美国传统〔variable star〕A star whose brightness varies because of internal changes or periodic eclipsing of mutually revolving stars.变星:亮度因为内部变化或共同旋转星体的间歇性晦暗而变化的星美国传统 |