The research team found that powerful underwater explosions were causing whales in the area to lose their hearing.

研究小组发现，强大的水下爆炸导致该地区的鲸鱼失去了听力。

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Tests with a trained seal have revealed that the animals can sense underwater objects, even with their hearing and sight restricted.

对训练过的海豹实验已发现，即使封闭了他们的听觉和视觉，它们也可以感知水下的物体。

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Siemens knows this and developed the Aquaris hearing aid, the only one to receive an IP68 rating for continuous submersion underwater (to three feet).

ENGADGET: Siemens' waterproof Aquaris hearing aid means rain doesn't need to stop play, we go ears on