riding comfortableness

例句：

1. 1.I'm riding my bike to school every day.
   我每天骑自行车去上学。
2. 2. They rode horses across the desert.
   他们骑着马穿越沙漠。
3. 3.The old man rode his horse to the market every Sunday.
   那位老人每周日骑着马去市场。