The roads were slick with rain.

　　下雨路滑。

　　The rain began before sunrise.

　　雨是在日出前開始下的。

　　The rain was falling steadily.

　　雨不停地下著。

　　The rain kept up all afternoon.

　　雨下了整整一個(gè)下午。

　　The rain had freshened the air.

　　下雨使空氣變得清新了。

　　I think there's rain coming on.

　　我看要下雨了。