骑自行车是锻炼。
Riding a bike is great exercise.
骑自行车是很好的锻炼。
Riding a bike is great exercise for everyone.
骑乘自行车对每个人来说都是很棒的运动。
Riding a bike is my favourite exercise. It's good for health.
我最喜欢骑自行车。它对健康有益。
NO05, Riding a bike is fun and it's good exercise.
骑自行车很好玩而且是不错的运动。
NO05, Riding a bike is fun and it's good exercise.
骑自行车很好玩而且是不错的运动。
应用推荐