形容词
中文翻译：波状的
同义词：
['undulating', 'curving例句：1. The waves were undulating gently in the ocean.（海浪轻轻地在海洋中起伏。）']
例句：
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1. The waves were undulating gently in the ocean.
海浪轻轻地在海洋中起伏。
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2.The river is undulating through the valley.
河流蜿蜒穿过山谷。
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3.The landscape is undulating with rolling hills and forests.
风景如画，起伏的丘陵和森林。