名词
中文翻译：Unknown
同义词：
['roll', 'roll around', 'nip', 'nudge', 'tug']
例句：
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1. The dog rolled over to get a better view of the ball.
狗翻滚过来以便更好地看到球。
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2. The children are rolling around in the grass.
孩子们在草地上打滚。
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3. The cat nips at the mouse when it comes near.
猫在老鼠靠近时用爪子挠它。