在上游有牛铃响起的地方，或许还有牛用它沾满青草汁液的唇吻过小溪水，坐在这样一条纯净的溪边，我知道自己心灵深处也变得纯净。
O B-Location I-Location O B-Thing O O O O O O O O O O O B-Thing O B-Thing O O B-Thing I-Thing I-Thing I-Thing O B-Thing O O B-Thing I-Thing I-Thing O O O O O B-Metric I-Metric O O O B-Location I-Location O B-Person O O B-Person I-Person O O O O O O O O O O