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来源:雅诚德英语网
It's called 4 echolocation, a technique that USES sound to identify objects by the echoes they produce.
这一方法被称为“回声定位法”,是一种借助物体产生的回声来识别其方位的方法。
It's called 4 echolocation, a technique that USES sound to identify objects by the echoes they produce.
这一方法被称为“回声定位法”,是一种借助物体产生的回声来识别其方位的方法。