but there are so few of these in the desert 但在沙漠中飞虫数量极少

280. Israel's Negev desert.
     在以色列的内盖夫沙漠
281. Otonycteris, the desert long-eared bat, is on the hunt.
     中东尖耳蝠 沙漠中的长耳蝙蝠 正在捕猎
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

来自《行星地球 第二季 第四集 Planet Earth S02E04 沙漠》第 283 行