In the lecture, the lecturer doubt on the reading viewpoint that sailors in Russian submarine heard the strange sound like ‘quackers’ by Orca whales.
In the beginning, according to the passage the author believe that the strange sound was made by Orcas whales. Since Orcaw want to make male orcas pay attention. However, in the lecture, the professor argues with that. The professor claim Orca whales were lived near by surface of the sea level. By contrast, the submarine had to patrolling at deep of the ocean. And the sailors couldn’t hear the whales sounds.
Furthermore, the author describes the bizarre sound may from the giant squid, because the giant squid lived in the deep ocean and it had soft bodies lead to sonar couldn’t detect it easily. And the squid only fed curiousness by nearly submarines. However, in the listening the lecture阅读时没有读太懂。
submarine
At last, the professor claim another argument didn’t hold up that the sound were from a secret submarine. Since we don’t have the technology to build submarines that fast and have engines that are that silent. However, in the reading the author believe that the quack
ers made by some military. And the strange sound may from sonar that emitted by foreign submarines the Russian’s couldn’t detectable.

版权声明：本站内容均来自互联网，仅供演示用，请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系QQ:729038198，我们将在24小时内删除。