The old man stood with his back to the fire, cresting up erect.
老人背火昂然而立。
；位于…的顶上；达到顶点（crest的现在分词）The old man stood with his back to the fire, cresting up erect.
老人背火昂然而立。
An arrow consists of a shaft with head (point), nock, fletching and, if desired, cresting.
一支箭包
有箭头的箭杆、箭尾、羽片，亦可加上箭。
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