来自undulate, 波动。

1. She moved with a shorter undulation beside her father's wife.

她迈着细小飘逸的步子,随着继母走来走去.

2. The hands at the sides allow for easier body undulation.

手在体侧时可让身体的波动更容易些.

3. Would you the undulation of one wave, its trick to me transfer.

倘若你肯将一个波浪起伏的绝技传授给我.

4. Be sure press with your chest, It'should help you with your undulation.

记住用胸顶水, 这有助于波浪式游进.

5. Then , it researches the Methods : To revise the impact of terrain undulation, and presents the arithmetics.

地面高程起伏对机载雷达成像定位影响较大,要实现飞行器的精确定位,必须修正地形起伏的影响.