sun的形容词词是什么？

例句：

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

他能感觉到太阳照射在背上的热度。

The sun was already up when they set off.

他们出发时太阳已经升起了。

I could feel the warm sun on my back.

我背上感受到了阳光的温暖。

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

地球绕太阳运行一周需要一年的时间。

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

树木起天然的`保护作用，遮挡了阳光的照射。