A fox USES its tail (or "brush") as a warm cover in cold weather and as a signal flag to communicate with other foxes.

狐狸用它的尾巴(或“毛刷”)在冷天时盖上保暖，同其他狐狸交流时亦可用来做信号旗。

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He moved down the spine toward the tail, probing around each vertebra with the handle of his brush.

他拿着刷子，移向尾部脊椎，细细摸索。

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He moved down the spine toward the tail, probing around each vertebra with the handle of his brush.

他拿着刷子，移向尾部脊椎，细细摸索。

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