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。
Birds use warm air currents to help their flight.
鸟利用暖气流助飞。
You're always sure of a warm welcome there.
到了那里你肯定会受到热烈欢迎。