| 1. | Condensation is very rapid at ph 7-9 .
PH值7-9时缩聚极快。 |
| 2. | The weeds propagate themselves rapidly .
杂草繁殖极快。 |
| 3. | It now came straight towards them at tremendous speed .
它以极快的速度向他们冲来。 |
| 4. | Information can be entered and retrieved extremely quickly .
信息可以极快地输入和检索。 |
| 5. | Every one was so happy that time just flew ...
人人都很快活，所以日子像飞一样地过得极快。 |
| 6. | The pace of the race was too severe to be maintained for long .
比赛的速度极快，很难持久。 |
| 7. | Disease of animal and vegetable pests propagate with extreme rapidity .
动植物病害传播极快。 |
| 8. | He could calculate percentages mentally at high speed .
他心算速度极快，能很快算出利润金额。 |
| 9. | These creatures travel in sea as fast as anything
这些动物在海中行动极快。 |
| 10. | Ls is simple to work with and can be very fast
Ls原理简单且处理速度极快。 |
