The earth takes a year to make a circuit of the sun.
地球繞太陽運行一周需要一年的時間。
The trees form a natural protection from the sun's rays.
樹木起天然的保護作用，遮擋了陽光的照射。
She rolled over to let the sun brown her back.
她翻了個身，讓太陽把她的背曬黑點。
The earth takes a year to orbit the sun.
地球繞太陽一周要一年的時間。
Even if you have dark skin, you still need protection from the sun.
即使你皮膚黝黑，仍需要防曬。