第一课时　野马之死主讲:野马在非洲草原上,有一种不起眼的动物叫吸血蝙蝠。它身体极小,却是野马的天敌。这种蝙蝠靠吸动物的血生存,它在攻击野马时,常附在马腿上,用锋利的牙齿极敏捷地刺破野马的腿,然后用尖尖的嘴吸血。无论野马怎样蹦跳、狂奔,都无法驱逐这种蝙蝠,蝙蝠却可以 The First Class The Wild Horse’s Death Lecturer: Wild horses On the African grasslands, there is an inconspicuous animal called vampire bats. It is very small, but it is the natural enemy of the wild horse. This kind of bat survives by sucking the blood of the animal. When it attacks the wild horse, it often attaches to the horse’s leg. It uses sharp teeth to pierce the wild horse’s leg extremely quickly and sucks blood with a sharp mouth. No matter how the wild horse jumps or rushes, it is impossible to expel the bat. The bat can