是同类词，它们都是名词，都与天气有关。
The hot sun sapped our energy.
火辣辣的太阳烤得我们虚软无力。
The sun disappeared from view.
太阳看不见了。
The earth moves round the sun.
地球围绕太阳旋转。
The sun had faded the curtains.
太阳把窗帘晒退了色。
The sun glinted on the windows.
太阳照在窗户上闪闪发光。
Rain drove against the window.
雨打着窗户。
The roads were slick with rain.
下雨路滑。
He was bareheaded in the rain.
雨中他光着头。
The earth was spongy from rain.
雨后的泥土柔软且富有弹性。
The rain was falling steadily.
雨不停地下着。