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undulating

/ˈʌndʒʊleɪtɪŋ/ /ˈʌndjʊleɪtɪŋ/

Meanings

verb

起伏,波动。

To cause to move in a wavelike motion.

Examples :

"The breeze was gently undulating the tall grass in the field. "
微风轻轻地吹拂着田野里的高草,使它们像波浪一样起伏摇摆。