For example, one echo they quickly identify is the one they associate with a moth, which is common prey for a bat, particularly a moth beating its wings.
例如，他们很快就能识别出与飞蛾有关的回声，飞蛾是蝙蝠的常见猎物，尤其是扑打翅膀的飞蛾。
2
When they stop beating their wings, they'd be much harder for the bat to distinguish from a leaf or some other object.
当它们停止拍打翅膀，蝙蝠就很难将它们与一片树叶或者其他什么东西区分开。
3
Through it, he could see fantastic things on the moon, including pyramids, blue unicorns and human-like creatures with batwings.