| 1. | Six months , with blood tests every three days or so 六个月,每三天验次血什么的 |
| 2. | He comes to see his parents every three days 他每隔三天来看他的父母一次。 |
| 3. | Debbie phones her mother every three days 黛比每隔两天给她母亲打次电话。 |
| 4. | He takes two days off for every three days of work (他做三天的工作,却要两天休息。 ) |
| 5. | How often do you polish your shoes ? once every three days 你多久擦一次鞋?每三天一次。 |
| 6. | The sun shines over sydney two out of every three days 悉尼阳光充足,每3天有超过2天阳光明媚。 |
| 7. | I go shopping every three days 我每隔三天购物一次。 |
| 8. | I go there every three days 每三天我去那里一次。 |
| 9. | He comes here every three days 他每隔两天来一次 |
| 10. | I help him to clean his room every three days . his room is always in wild disorder 每两三天我都要帮他打扫房间。他的房间经常是既脏又乱。 |