Calculating this angle would allow astronomers to measure what was then the ultimate goal: the distance of the Earth from the Sun.
计算这个角度可以让天文学家测量地球到太阳的距离，这是当时的终极目标。
As one hemisphere of Earth tilts farther from the sun, the arc of the sun's daily path seen from that location lowers toward the horizon.
当地球一个半球距太阳的倾斜度更大时，从那个位置看到的太阳每日运行轨迹的弧线就会向地平线下降。
Solar panels trap energy from the sun.
太阳能电池板吸收太阳能。
The tree affords some shelter from the sun.
这棵树可以挡一挡太阳。
Dark glasses screened his eyes from the sun.
他戴了一副墨镜，保护眼睛不受阳光照射。
He shielded his head from the sun with an old sack.
他用一个旧袋子遮住头来防晒。
It's important to protect my fair skin from the sun.
保护我白皙的皮肤不受日晒是很重要的。
The ozone layer screens out dangerous rays from the sun.
臭氧层能遮挡住来自太阳的有害射线。
Even if you have dark skin, you still need protection from the sun.
即使你皮肤黝黑，仍需要防晒。
He developed a mathematical formula describing the distances of the planets from the Sun.
他提出了一个描述各行星与太阳之间距离的数学公式。
The axis is pointing away from the sun in winter.
冬天，地轴指向远离太阳的方向。
Solar panels take energy from the sun and turn it into electricity.
太阳能电池板从太阳获取能量并将其转化为电能。
When the axis points away from the sun, you get less heat.
当地轴的指向远离太阳时，得到的热量就会变少。
Your town doesn't get as much light or heat from the sun.
你的城镇不会从太阳那里获得那么多的光或热。
A special material on the surface receives UV light from the sun.
表面的一种特殊材料接收来自太阳的紫外线。
The distance from the Sun to Mars is more than 141 million miles.
太阳和火星之间的距离超过1.41亿英里。
When your town has winter, the earth's axis is pointing away from the sun.
当你所在的城镇进入冬季时，地轴指向远离太阳的方向。
Mars is the fourth planet from the Sun and the next planet beyond the Earth.
火星是离太阳第四远的行星，也是地球之外的下一个行星。
Keep yourself away from the sun around the noon, or it may burn your skin.
中午时分要远离太阳，否则它会晒伤你的皮肤。
It is further from the Sun than the Earth, so temperatures on Mars are much lower.
但它离太阳的距离比地球远，所以火星上的温度要低得多。
In winter, when your part of the earth points away from the sun, you have colder days.
在冬天，当你所在的地球部分的朝向远离太阳时，天气就会变冷。
The seasons are made by the northern end of the axis pointing towards or away from the sun.
季节是由地轴的北端指向或远离太阳形成的。
Your part of the world gets more heat from the sun when the northern end of the axis points to the sun.
当地轴的北端指向太阳时，你所在的地方从太阳那里获得更多的热量。
Rainforests have their own perfect system for ensuring their own survival; the tall trees make a canopy of branches and leaves which protect themselves, smaller plants, and the forest animals from heavy rain, intense dry heat from the sun and strong winds.
雨林有自己完善的系统来确保自身的生存；高大的树木有枝叶形成的树冠层来保护自身，树冠也保护着矮小的植物以及动物不受暴雨、酷暑及强风的侵扰。
Its energy will be from the sun.
它的能量将来自太阳。
Is it the distance of the planets from the Sun?
它是行星到太阳的距离吗？
Most animals protect themselves from the sun with fur.
大多数动物用毛皮保护自己免受日晒。
Chang'e 4 gets energy from the sun through its solar panels.
嫦娥四号通过太阳能板从太阳获取能量。
The idea that all energy and wealth comes from the sun really intrigued him.
所有的能量和资源都来自太阳的想法引起了他的兴趣。
In winter the heat produced by a city can equal or surpass the amount of heat available from the Sun.
在冬天，一个城市产生的热量可以与太阳提供的热量相等，甚至超过这一数值。
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