动词
中文翻译：抓
同义词：
['nip', 'scratch', 'rub', 'prick例句：1. The dog crouched low to the ground and began to nip at the grass.（狗蹲低身子开始在草地上抓痒。）']
例句：
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1. The dog crouched low to the ground and began to nip at the grass.
狗蹲低身子开始在草地上抓痒。
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2. The cat crouched in front of the window, waiting for a mouse to scratch its nose.
猫蹲在窗户前，等着老鼠挠它的鼻子。
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3. The child crouched down to inspect the small hole in the wall.
孩子蹲下来检查墙上的小洞。