Once or twice March had caught sight of the whitetip of his brush, or the ruddy shadow of him in the deep grass, and she had let fire at him.
有一两次，马奇看见了他刷子的白色尖头，或是他在深草丛中的红色影子，她便朝他开火。
2
While looking at the wall of barracudas, a couple of whitetip sharks swam around the wall.
梭鱼群形成了一堵墙，两条白顶鲨鱼绕着鱼墙游动。
3
While there are numerous types of sharks, only four are most frequently cited in encounters with humans—the bull shark, the tiger shark, the great white shark and the oceanic whitetip shark.