translation.en: In the early '70s, Roger Payne and an ocean acoustician published a theoretical paper pointing out that it was possible that sound could transmit over these large areas, but very few biologists believed it.
translation.zh: 嗨，在70年代早期， 一名海洋声学家，罗杰.佩恩 曾发表过一篇学术论文， 论文中指出声音 能够在大范围内传播， 但很少有生物学家相信这点。