Bats are the only mammals capable of sustained flight,and,unlike birds,they can fly at relatively low speed with extreme maneuverability.
Bats are the only mammals capable of sustained flight,and,unlike birds,they can fly at relatively low speed with extreme maneuverability.
蝙蝠是唯一能够持续飞行的哺乳动物,与鸟类不同的是,它们飞行速度较低,但极具机动性.