1. Bats use biosonar to navigate and find food in the dark.(蝙蝠利用生物声呐在黑暗中导航和寻找食物。)
2. Whales have extraordinary biosonar capabilities that they use to locate prey and communicate with each other.(鲸鱼具有非凡的生物声呐能力,它们用于寻找猎物和相互之间的沟通。)
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