bike、bicycle 和cycling的区别

问题描述:

bike、bicycle 和cycling的区别

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...