Third-hand smoke is tobacco smoke contamination that lingers in carpets,clothes
and other materials hours or even days after a cigarette is put out.
According to a study,a large number of people,parti...
| English Article | Word Count | Duration | Accuracy | Speed | Backspace | Error | Slogan |
|---|---|---|---|---|---|---|---|
| 《Third-hand smoke》 | 581字 | 8.9分钟 | 100% | 65 CPM | 17 次 | 0 | 不及格，加强练习！ |
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