The rat is digging a tunnel through which it can reach the field to get food.

这只老鼠正在挖洞，通过这条洞它能到田里搞吃的。

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And Templeton, the rat, crept stealthily along the wall and disappeared into a private tunnel that he had dug between the door and the trough in Wilbur's yard.

然后，它就沿着墙角悄悄的爬走了，消失在它自己挖的连着门与食槽的暗道之中。

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