但是，众所周知，海豚并没有任何精神上的义务感去治疗人类疾病，马里诺补充说道，海豚用于导航的超声波实在是太微弱了，从而根本不会有任何医疗作用。

But dolphins don't feel any spiritual imperative to heal humans, as far as anyone knows. Marino adds that the ultrasound that dolphins use to navigate is far too weak to have any medical effect.

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不过现在超声波至少在没有药物和电极的前提下，提供了一种控制精神病人大脑的可能性。

But ultrasound does now offer at least the possibility of manipulating the brains of people suffering from mental illnesses without resorting to drugs or electrodes.

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