短語(yǔ)詞組短語(yǔ)gravitational heavenly body 引潮天躰heavenly body question 天躰問(wèn)題heavenly body theory 天躰理論latitude of a heavenly body 天躰黃緯altitude of the heavenly body 天躰高度hour angle of heavenly body 天躰時(shí)角 返回 heavenly body