Exercise a strong body and be thin legs.and to protect the environment is a fashion
中文意思：健身强体的同时,会瘦腿啊.而且对保护环境有好处,比较时尚了
单车有哪些好处?求单车游哪些好处?（用英文写）
Exercise a strong body and be thin legs.and to protect the environment is a fashion
中文意思：健身强体的同时,会瘦腿啊.而且对保护环境有好处,比较时尚了