polestar /'pәulstɑ:/ 📖 中文释义 n. 北极星, 指导原则 🔗 释义中的汉语词 北极星 📘 English Definition(英文释义) n the brightest star in Ursa Minor; at the end of the handle of the Little Dipper; the northern axis of the earth points toward it ← poles of a network function P 字母词表 poletti →