1640s, from Medieval Latin *undulatio, from Late Latin undulatus "wavy, undulated," from undula "wavelet," diminutive of Latin unda "wave" (see water (n.1)).
双语例句
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.
来自辞典例句
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.
来自互联网
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.
来自互联网
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.
来自互联网
5. Then , it researches the Methods : To revise the impact of terrain undulation, and presents the arithmetics.
