bike n.自行车；脚踏车vi.骑自行车（或摩托车）[ 过去式biked 过去分词biked 现在分词biking bicycle除了bike的基本意思外,还有骑自行车运送的意思,这时候是及物动词[ 过去式bicycled 过去分词bicycled 现在分词bicy...