Whale song mystery solved by scientists
The humpback's song sounded so strange and haunting to sailors, they
used to think it belonged to ghosts or mythical sea creatures. Now, a study
has revealed ...
| English Article | Word Count | Duration | Accuracy | Speed | Backspace | Error | Slogan |
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| Inspirational quotes: 哪怕是最没有希望的事情，只要坚持去做，到最后就会拥有希望。 ——俞敏洪 | |||||||
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