释义 |
DEFINITIVE EXAMPLES 权威例句〔planetarium〕An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome.天象仪:一种能将天体和其它天文学现象的影象投射到半球状圆屋顶内表面的光学设备美国传统The book lists all predictable astronomical phenomena for the coming year, such as planetary, lunar, and eclipse data.这本书罗列了来年所有可预测天文现象,如关于行星、月球、食的数据。剑桥国际 |