| 1. | You will need an injection every four hours . 你要每隔四小时打一针。 |
| 2. | Its tone has changed from decade to decade . 它的风气每隔十年就有变化。 |
| 3. | The runners started at intervals . 赛跑的人每隔五分钟出发一批。 |
| 4. | Take his vital signs at regular intervals . 每隔一定时间检查他的生命体征。 |
| 5. | He comes back to see us at regular intervals . 他每隔一段时间就回来看看我们。 |
| 6. | Trains leave at hourly intervals . 列车每隔一小时开出一趟。 |
| 7. | There 's a number one bus every three minutes . 一路公共汽车每隔三分钟就有一班。 |
| 8. | The doctor went to see that patient day about . 这个医生每隔一天就去看那个病人一次。 |
| 9. | Take ten drops every four hours . 每隔四小时喝十滴。 |
| 10. | These arrangements are subject to periodic reviews ... 这几项安排每隔一定时间须予复查。 |