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 |
|---|---|---|---|---|---|---|---|
| 《Whale song mystery solved by scientists》 | 929字 | 6.7分钟 | 100% | 136 CPM | 98 次 | 0 | 及格，继续努力！ |
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| Inspirational quotes: 上善若水，水善利万物而不争，处众人之所恶，故几于道。 ——老子 | |||||||
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