泛白凋零的玫瑰从蓝色的花瓶里耷拉下来。Pale wilting roses drooped from a blue vase.玫瑰再艳丽,最终要凋零.The fairest rose is at last withered.我的生命就如秋叶般枯萎凋零。As the leaves of autumn wither and fall, so has my own life become barren....
sidereal day恒星日(23时56分)Tropical year, and sidereal year are two different concepts.回归年与恒星年是不同的两个概念.sidereal hour恒星时(恒星日的 1/24)sidereal time恒星时sidereal year恒星年(365日6时9分9秒)The sidereal year is not used to construct a calen...