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1·As we travel south, the countryside begins to undulate as the rolling hills sweep down to the riverbanks.

随着我们游向南边，乡间的山丘变得连绵起伏与河岸相接。《柯林斯英汉双解大词典》

2·Leaves opposite, margin undulate or revolute.

叶对生，边缘波状或。

3·Their surfaces undulate to simulate Canada's terrain.

他们的表面是模仿加拿大地形而起伏的。

4·It also teaches and enables them to undulate their body more.

还可以使初学者加大身体的波浪起伏，学会身体的波动。

5·To undulate more freely, keep you hands about shoulder width apart.

要波动的更自由些， 保持你的手与肩膀同宽。

6·To undulate more freely, keep you hands about shoulder with the part.

要波动的更自由些，保持你的手与肩膀同宽。

7·The walls undulate according to the terrain and wind along rivers and lakes.

城墙依地势而起伏，顺河湖而迂回。

8·In a terribly undulate area, these requirements canhardly be met simultaneously.

在高差较大的复杂地表区，很难同时满足这些要求。

9·If you undulate half your body too much it will create resistance and slow you down.

如果你使你一半的身体波动太大的话，将会增加阻力使你速度减慢。

10·The species is characterized by its long and lanceolate leaflets with undulate teeth.

本种以它的长和披针形的小叶具波状的齿为特点。

波动

1·To undulate more freely, keep you hands about shoulder width apart.

要波动的更自由些， 保持你的手与肩膀同宽。

2·Put forward disposal idea and prevent measurement for quality abnormity undulate appears in entire produce process.

对生产全过程出现的质量异常波动提出处理意见和预防纠正措施。

3·To undulate more freely, keep you hands about shoulder with the part.

要波动的更自由些，保持你的手与肩膀同宽。

4·If you undulate half your body too much it will create resistance and slow you down.

如果你使你一半的身体波动太大的话，将会增加阻力使你速度减慢。

5·Is same with other commodities, the silkworm cocoon price also is revolves the supply and demand but about to undulate.

与其他的商品一样，蚕茧价格也是由于供需变动而上下波动。

起伏

1·Their surfaces undulate to simulate Canada's terrain.

他们的表面是模仿加拿大地形而起伏的。

2·The activity of strong earthquakes is undulate and clustered in the major region in certain period.

强震活动具有在时间上的起伏特征与空间上集中分布于主体地区的特征。

3·Given a initial model, one can calculate the gravity anomaly caused by a undulate subsurface interface.

在给定密度界面初始模型之后，可以计算出地下某一起伏界面引起的重力异常。