日期:
来源:雅诚德英语网
Some blind people have learned to echolocate by making clicking noises and listening to the returning echoes.
有些盲人已经可以通过敲击的回声来进行“回声定位”。
Some blind people have learned to echolocate by making clicking noises and listening to the returning echoes.
有些盲人已经可以通过敲击的回声来进行“回声定位”。