Ground squirrels are normally active by day and sleep at night.
地松鼠一般白天活跃晚上睡觉。
They are large ground squirrels, about the size of an average house cat.
它们是大型的地松鼠，大约是一只普通家猫的大小。
Ground squirrels usually live in burrows.
地松鼠通常住在地洞里。
Squirrels hop up and grab on to an ear of corn suspended above the ground.
松鼠跳起来，抓住了悬空的玉米穗。
Squirrels hop up and grab on to an ear of corn suspended above the ground.
松鼠跳起来，抓住了悬空的玉米穗。
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