She rolled over to let the sun brown her back.
她翻了个身，让太阳把她的背晒黑点。
The earth takes a year to orbit the sun.
地球绕太阳一周要一年的时间。
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。
I get up with the sun.
我日出即起。
