1.
A board having a corrugated surface on which clothes can be rubbed in the process of laundering.
洗衣板具有波形起伏表面的板，衣服可以放到上面搓洗
2.
shaken into waves or undulations as by wind.
像被风吹一样的形成了波浪或者起伏。
3.
Undulating hills were changed to valleys,
起伏的波峰变成波谷，
4.
The waves rose and fell on the shore.
波涛起伏，拍打海岸。
5.
The waves boiled around the ship.
船周围波涛汹涌起伏。
6.
The sailing boat was up and down with the wave.
帆船随着波浪上下起伏。
7.
a ship surges at anchor.
抛锚的船随波涛起伏。
8.
To move in a tossing, bubbling, or rippling manner, as choppy water.
翻腾以上下起伏、沸腾或荡漾的形式运动，就象波涛一样
9.
The international situation changed dramatically in 2001.
２００１年，国际形势变化起伏。
10.
Relief must not be so excessive.
地形不应起伏很大。
11.
Downward Continuation of Seismic Wavefield with Topography From 2-D Acoustic Wave Equation
起伏地表二维声波方程地震波场延拓
12.
They are just like the continuous waves.
它们看起来就像连续起伏的波浪一样。
13.
Study on starting datum of wave equation wave field continuation for rolling surfaces
起伏地表波动方程波场延拓起始面研究
14.
To move in waves or with a smooth, wavelike motion.
波动，起伏以波或平滑像波一样的动作运动
15.
Having become simpler in form and of lower relief. Used of a landform.
地形起伏缓和的较为简单的、起伏较平的。用于形容地形
16.
A Study of the Geomorphologic Forms Classification Based on Relief
基于地形起伏度的地貌形态划分研究
17.
A rush or surge of water or waves.
水流水或波涛的汹涌或起伏
18.
A hill or dale in undulating country.
山谷位于波状起伏山区的山或谷