例句：

　　He could feel the heat of the sun on his back.

　　他能感覺到太陽(yáng)照射在背上的熱度。

　　The sun was already up when they set off.

　　他們出發(fā)時(shí)太陽(yáng)已經(jīng)升起了。

　　I could feel the warm sun on my back.

　　我背上感受到了陽(yáng)光的溫暖。

　　The earth takes a year to make a circuit of the sun.

　　地球繞太陽(yáng)運(yùn)行一周需要一年的時(shí)間。

　　The trees form a natural protection from the sun's rays.

　　樹木起天然的保護(hù)作用，遮擋了陽(yáng)光的照射。