The old man stood with his back to the fire, cresting up erect.
老人背火昂然而
。
顶上；达到顶点（crest现在分词）The old man stood with his back to the fire, cresting up erect.
老人背火昂然而。
An arrow consists of a shaft with head (point), nock, fletching and, if desired, cresting.
包
有
杆、尾、羽片，亦可加上饰。
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