记得小时候放学回家，把牛赶上山坡，牛儿在山野低头啃着青草，孩子们便爬上树杈捉鸣叫的蝉，或者眺望远处自家屋顶上是否升起了炊烟，抑或在树上高声唱着儿歌，歌声飘在山坡，有时引得牛儿摇头摆尾也以一声长叫应和。
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