1. After driving on the bumpy surface, it was nice to get back onto even ground. 驱车行驶过崎岖不平的路后，回到了平滑的路面上真是好极了。
2. Half of all college students change their majors at least once as they travel the sometimes bumpy road that will lead right degree. 大部分大学生至少都会更改一次专业，正如他们在找到准确的方法之前都会做不少弯路一样。
3. The military convoy breaks a chain to open the gate, shoos cows from its path and circles the property on bumpy dirt road lined by mesquite trees. 军队的车冲破了一道链子打开大门，把母牛从路上嘘走，并包围了位于两侧种满牧豆树的崎岖土路上的房屋。
英英解释
adj.
1. causing or characterized by jolts and irregular movements
2. covered with or full of bumps
