老祖父瘫坐在桥墩上，两眼直视混浊的河水，嘴里还不断念叨着“振华”两字。
B-Person I-Person I-Person O O O B-Location I-Location I-Location O B-Thing I-Thing O O O O O B-Thing I-Thing O B-Thing I-Thing O O O O O O O B-Person I-Person O O O O