摘要：Walking exercise may be boring at times but early on a clear sunny morning therecan be nothing finer. 有时候散步这种锻炼方式也许会比较枯燥，但若是在一个阳光明媚的清晨，还有什么比这更惬意的呢。 你满
Walking exercise may be boring at times but early on a clear sunny morning therecan be nothing finer.
