1. At the far end of the lake, they came to huge piles of rubble which had been washed up by the water.
    在湖的彼岸，他们遇到了被水冲来的大堆大堆的碎石。

2. At the far end of the lake, they came to huge piles of rubble which had been washed up by the water.
    在湖的尽头，他们见到一大堆一大堆由湖水冲刷上岸的碎石。