n.自行车；摩托车；电动自行车；vi.骑自行车；na.“motorbicycle”的变体； 变形： 复数：bikes过去式：biked过去分词：biked现在分词：biking第三人称单数：bikes 英英释义： bike[ baik ]n.a motor vehicle with two wheels and a strong frame同义词：motorcyclea wheeled vehicle that has two wheels and is moved by foot pedals同义词：b