这就意味着月球绕行太阳的速度的改变范围是在地球绕行太阳速度的97% ~ 103%范围之间。
That means that the speed of the Moon around the Sun will vary between about 103% and 97% of the speed of the Earth around the Sun.
金星自转一周需要243个地球日，因此来自太阳的热量以更悠闲、更容易观察到的速度被吸收和分配。
The planet Venus takes 243 earth-days to turn once on its axis, so incoming heat from the sun is added and distributed at a more leisurely, observable pace.
在地球上，人们认为，表明太阳黑子周期最可靠的迹象之一是树木的生长速度，就像树干横截面上可见的年轮一样。
On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.
应用推荐