| 1. | Speeches were limited to 15 minutes each . 每次发言限定在15分钟之内。 |
| 2. | You have 15 minutes to look around . 你有15分钟的时间到周围看看。 |
| 3. | The mixture is homogenized in a ball mill for 15 minutes . 混合物在球磨机中均化混合15分钟。 |
| 4. | A 15-minute dose of red light can double the previous respiration rate of the plants . 照射15分钟红光可使植物原来的呼吸速率提高一倍。 |
| 5. | The first house on the left, did ignite but it did not burst into flame for 15 minutes . 左边的第一幢房屋也着了火,但经过15分钟后才整个地烧起来。 |
| 6. | We had to extend the meeting another 15 minutes 我们不得不将会议再延长15分钟。 |
| 7. | - fifteen minutes and counting . - call this an appetizer -计时15分钟-这叫开胃菜 |
| 8. | We expect the weather improving within 15 minutes 我们预期天气在15分钟内好转。 |
| 9. | I ' d like to make our appointment 15 minutes later 我想把我们的约会延后15分钟。 |
| 10. | I ' ve got 1 5 more minutes . do you have a cell phone 我还有15分钟呢你有手机吗? |