noun 下载 🔗分享 星盘,观星盘。 An astronomical and navigational instrument for gauging the altitude of the Sun and stars. Examples : "The sailor used the astrolabe to determine his ship's latitude by measuring the angle of the sun above the horizon. " 水手使用星盘,通过测量太阳在地平线上的角度来确定船只的纬度。 astronomy nautical technology science device history 与AI对话词汇游戏阅读练习