It has to hunt on the ground. 它必须在地面捕猎

282. Most bats catch flying insects on the wing,
     大多数蝙蝠在飞行中捕捉飞虫
283. but there are so few of these in the desert
     但在沙漠中飞虫数量极少
284. that this bat must do things differently.
     这只蝙蝠必须另寻他路
285. It has to hunt on the ground.
     它必须在地面捕猎
286. But what really sets it apart is what it's hunting...
     但真正让它与众不同的是它的猎物
287. A deathstalker scorpion.
     一只以色列金蝎
288. The venom of this species is potent enough to kill a human.
     这种蝎子的毒液足以毒死一个人

来自《行星地球 第二季 第四集 Planet Earth S02E04 沙漠》第 285 行