2.To realize the illusion of bumpy of geometric surface, traditional bump mapping changes the normals of geometric surface instead of changing the geogetric attributes of body surface.
传统的凹凸纹理映射技术并没有真正改变物体表面的几何属性,而是通过纹理来改变物体表面的法向量,从而实现物体表面具有粗糙感的假象。
3.Most ofthe course is steep, winding and bumpy.And some staged are so steep that the slopes are even more than 50 degrees.
比赛的大部分路线是陡峭、蜿蜒，而且颠簸不平的。有些区段很陡，坡度竟达50多度。
4.a bumpy road
崎岖不平的道路
5.We had a hell of a trip on that bumpy road.
在那条崎岖不平的路上我们吃足了苦头。
6.The road is very bumpy.
这条路非常颠簸。
7.He needs to know when to expect the air to be bumpy and when ice will form on the plane.
他必须知道在什么时候气流变化不定，又在什么时候飞机上会结冰。
8.b]Day28:They sat on the bus and because of a bumpy road Jasmine gave her first kiss to Daniel by accident[/b].
第28天：他们做在公共汽车上，由于道路崎岖不平，贾斯敏无意间第一次吻了丹尼尔。
9.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。
