The sidewinder snake. 侧进蛇

284. But mammals have acquired some extraordinary defenses...
     但是哺乳动物与蛇的军备竞赛 已经开展超过一亿年
285. having been locked in an arms race with snakes
     在这个过程中
286. for more than a hundred million years.
     哺乳动物获得了非凡的防御能力
287. The sidewinder snake.
     侧进蛇
288. It will wait for hours at a time for signs of passing heat.
     它会等待经过的热痕迹 一等就是几个小时
289. Heat that comes from small warm-blooded mammals.
     来自小型温血哺乳动物身上的热痕迹
290. But kangaroo rats are not your average rodent.
     但是更格卢鼠可不是普通的啮齿动物

来自《我们星球上的生命 第一季 第五集 Life on Our Planet S01E05 巨兽阴影下》第 287 行