| 1. | They experimented three times on the seed . 他们对种子进行了三次试验。 |
| 2. | She has had three pregnancies in four years . 她在四年中怀孕三次。 |
| 3. | He had three tries and failed each time . 他试验三次,每次都失败。 |
| 4. | That crafty prince was espoused three times . 那位狡黠的君主结过三次婚。 |
| 5. | He already has three demerits on his record . 他已被记过三次。 |
| 6. | He tried to jump up a third time . 他试图作第三次的跳高动作。 |
| 7. | The rice has been washed for three times . 米已经淘了三次了。 |
| 8. | He already has three demerits on his record . 他已记过三次。 |
| 9. | We did this exercise three times . 这种演习我们进行了三次。 |
| 10. | Three removes are as bad as a fire . 三次搬家如同一次遭火。 |