They could see the grass-thatched shed lift and collapse, while a froth of foam cleared the crest of the sand and ran down to the lagoon.

他们瞧见那棚屋的草顶往上一掀，坍塌下来，一道溅着白沫的波浪越过沙堤，流进湖内。

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The neighbor also noticed that, as he walked, the old man would often stoop down to lift something from the sand and then toss it away into the water.

这个邻居发现，老人走着的时候会经常弯下腰从沙滩上拣起什么东西抛到海里。

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