对流也起着由于空气层相对薄小的作用和纸板上隔热层的存在。该纸板的绝缘性能发挥主要作用，因为它们有助于减少整个领空的温度梯度。
—from The Thermodynamics of Pizza (热力学的比萨), a book by Harold J. Morowitz
Active since January 23, 2010.
186 total characters in this text.
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| Rank | Username | WPM | Accuracy | Date |
|---|---|---|---|---|
| 1. | 无 (isscer) | 74.34 | 83% | 2017-12-13 |
| 2. | Lydia (sadako0825) | 71.79 | — | 2010-01-23 |
| 3. | Faye (fayeho) | 71.28 | — | 2010-09-26 |
| 4. | 咖啡不加糖 (qwerzxc) | 66.82 | 85% | 2018-02-26 |
| 5. | Hong (pp860314) | 65.14 | 88% | 2012-02-17 |
| 6. | A_A (hohohaha123) | 64.45 | 96% | 2017-11-06 |
| 7. | zhy (everwakening) | 59.62 | 20% | 2012-11-03 |
| 8. | Theron (imnomn) | 57.69 | 64% | 2013-12-17 |
| 9. | Yuanji Hu (kurandge) | 56.77 | 78% | 2018-06-23 |
| 10. | 黄昌华 (ladyboy) | 54.92 | 90% | 2017-11-06 |
| 11. | tictac (tictacloo) | 53.50 | 72% | 2011-08-09 |
| 12. | 搅基 (shabi) | 52.86 | 17% | 2013-03-13 |
| 13. | Wency (swencys) | 50.98 | 77% | 2011-05-25 |
| 14. | Wakeat (wakeat) | 49.93 | 75% | 2018-03-26 |
| 15. | 骑猪撞大象 (ggccc) | 49.26 | 97% | 2017-11-06 |
| 16. | Crystal (crystal_kim) | 47.88 | 22% | 2015-02-24 |
| 17. | Yanping (hephaestusanford) | 46.01 | 57% | 2016-03-23 |
| 18. | Cyphil (cyphil317) | 44.89 | 90% | 2017-10-13 |
| 19. | 这辆是Ferrari (pussydavi... | 44.21 | 95% | 2017-11-06 |
| 20. | Monny (monny025) | 43.78 | — | 2010-09-25 |
| 21. | Yanqing (carnegie) | 39.66 | 91% | 2011-09-28 |
| 22. | Hang (nhanhhonnua) | 34.41 | 26% | 2014-02-03 |
| 23. | Yuwei (acevery) | 34.39 | 85% | 2012-04-10 |
| 24. | Ho Seng (hosengc) | 30.38 | 64% | 2012-05-18 |
| 25. | Jan (tianxingjian) | 29.09 | 96% | 2017-09-27 |
| 26. | zhang (zhangle) | 28.21 | 31% | 2012-04-16 |
| 27. | kazz (kazzes) | 23.78 | 24% | 2012-04-29 |
| 28. | wei (weixiao) | 14.18 | 29% | 2012-04-12 |
| 29. | Sun (sunjilong) | 12.40 | 18% | 2012-04-12 |
| 30. | Tina (heyim1007) | 9.93 | 21% | 2011-05-24 |
| Universe | Races | Average WPM | First Race |
|---|---|---|---|
| Simplified Chinese | 44 | 43.84 | January 23, 2010 |