The tilt of Earth's axis, toward the Sun at some times of the year and away from the Sun at other times, is responsible for the annual cycle of seasons.

地轴的倾斜在一年中的某些时候朝向太阳，而在其它时间远离太阳，造成了每年的季节循环。

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The earth takes a year to orbit the sun.

地球绕太阳一周要一年的时间。

《牛津词典》

At these times of the year, the sun appears to be directly over Earth's equator.

每年的这个时候，太阳出现在地球赤道的正上方。

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A navigator can know the latitude of his ship by observing the location of stars, where the sun rises in the morning and sets in the evening, and what time of year it is.

VOA: special.2010.07.14

The Saints made the most of their first Super Bowl appearance in the team's 43-year history, overcoming an early 10-point deficit to upset the favored Colts at Sun Life Stadium in Miami.

VOA: standard.2010.02.08

Santa Cruz has 300 days of sun a year, and its setting is supremely beautiful.

FORBES: Magazine Article

Golfing here has a Lowcountry charm not found anywhere else, with palmettos and moss hanging from the trees, plus well over 200 days of sun a year and an average balmy temperature of 70F.

BBC: Living in: golf areas

He bought the paper in 1969, acquiring the Sun later that year, and both Times titles in 1981.

NEWYORKER: Hack Work