B-box originated in the United States in the 1980s and
belongs to one of the Hip Hop elements.
At that time, some black people were unable to afford
musical instruments due to poverty, so they tried ...
| English Article | Word Count | Duration | Accuracy | Speed | Backspace | Error | Slogan |
|---|---|---|---|---|---|---|---|
| 《B-box’s origin》 | 390字 | 1.8分钟 | 100% | 218 CPM | 20 次 | 0 | 良好，向更快挑战！ |
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