骑自行车30年也不是一帆风顺的，也出过小事故：一次骑车未戴手套在八大家东桥头两自行车相撞，擦破右手臂而流血。
O B-Thing I-Thing I-Thing B-Metric I-Metric I-Metric O O O B-Metric I-Metric B-Thing O O O O O O O O O O O O O B-Thing O O B-Thing I-Thing O B-Location I-Location I-Location I-Location I-Location I-Location B-Thing I-Thing I-Thing I-Thing O O O O O B-Thing I-Thing I-Thing O O O O