它首先朝渔夫屋子的南边走去，一直走到小河边(小河在那儿奔流入海)，故意在泥沙上留下一些十分明显的往南而去的蹄痕。

First of all it went just south of the fisherman's cottage to the little river which there ran into the sea, and took care to leave in the mud some very plain hoof-marks pointing south.

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它首先朝渔夫屋子的南边走去，一直走到小河边，(小河在那儿奔流人海，)故意在泥沙上留下一些十分明显的往南而去的蹄痕。

First of all it went just south of the fisherman's cottage to the little river which there ran into the sea, and took care to leave in the mud some very plain hoof-marks pointing south.

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树叶掉下之后，留下一些细胞，形成一种被称作维管束痕的小牙。

When dead leaves break away, they leave behind waxy cells that form a small bud called a bundle scar.

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