a bike ride和ride a bike的区别

　　例句：

　　I'm really stiff after that bike ride yesterday.

　　昨天骑了那趟自行车，我觉得浑身酸痛。

　　My father taught me how to ride a bike.

　　我父亲教会了我骑自行车。

　　When you ride a bike, you exercise all of the leg muscles.

　　骑自行车时，你可以锻炼腿部的全部肌肉。

　　He's going to ride  bike home.

　　他将要骑自行车回家。