温暖的名词形式用英语怎么说

　　例句：

　　The female must find a warm place to hatch her eggs.

　　母的必须找个温暖的地方孵蛋。

　　The warm climate favours many types of tropical plants.

　　温暖的气候对多种热带植物生长有利。

　　The weather was warm for the time of year.

　　在一年的这个时节这天气算是暖和的了。

　　I could feel the warm sun on my back.

　　我背上感受到了阳光的温暖。

　　It was a warm day, if not exactly hot.

　　这一天即使算不上热，也是一个暖和的日子。