奶奶留给爷爷的那瓣瓜还在桌角放着，他没吃，站起，抬脚在鞋底磕去烟袋里的灰烬，拿出家里的那把算盘，在桌上一边敲，一边嘀咕：这蛙叫得多欢，今年是个丰年呀。
B-Person I-Person O O B-Person I-Person O B-Thing I-Thing I-Thing O O B-Thing I-Thing O O O B-Person O O O O O O O B-Thing O B-Thing I-Thing O O B-Thing I-Thing O O B-Thing I-Thing O O O B-Location I-Location O O O B-Thing I-Thing O O B-Thing B-Location O O O O O O O O O O B-Thing O O O O O B-Time I-Time O O O O O O