| 1. | Also, he wishes to keep track of your progress . 他也希望随时知道你的进步。 |
| 2. | The pilot was ordered to keep track of the strange object . 那位飞行员接到命令去跟踪这个奇特的物体。 |
| 3. | To keep track of the time, she marked off the days on her calendar . 为了记日子,她每天都在日历上做记号。 |
| 4. | Elizabeth was able to keep track of her father in the newspapers and magazines . 伊丽莎白能够从报纸杂志上找到他父亲的踪迹。 |
| 5. | The purpose of reoccupations is to keep track of diurnal variations in the earth's field . 重测的目的在于记录地磁场的日变。 |
| 6. | This procedure allows us to keep track of the magnitudes of the terms that occur . 这种做法使我们可以时常注意所出现各项的数量级。 |
| 7. | He reads the newspapers to keep track of current events 他阅读报纸以了解时事。 |
| 8. | I only use my diary to keep track of my appointments 我只用日记簿记录我的约会。 |
| 9. | C . require a computer to keep track of inventory 需要计算机来保持存货记录。 |
| 10. | He reads the newspapers to keep track of current events 他阅读报纸以了解时事 |