双语例句：
松鼠钻进了树根处的一个洞。
The squirrel disappeared into a hollow at the base of the tree.
松鼠贮藏坚果以备过冬。
The squirrel makes a store of nuts for the winter.
不久前我在花园里看到一只松鼠。
The other day I saw a squirrel in my garden.
松鼠在树丛中上下蹿跳。
Squirrels were bouncing up and down in the trees.
松鼠乖觉得很，听到一点儿响声就溜跑了。
The squirrel is very alert, and will flee at the slightest noise.