第三人称单数：数：bicycles
第三人称单数：bicycles
过去分词：bicycled
过去式：bicycled
名词骑自行车
1. 跑片：berlin film fsetival 柏林电影节 | bicycling 跑片 | bin 挂片桶
2. 骑车兜风：78 My Favorite Sports 我之最爱 | 79 Bicycling 骑车兜风 | 80 Sports and Health 运动健康
noun
1. riding a bicycle
