您要查找的是不是：
- After a period of use, the batteries should be shanged. 电池使用一段时间后,应该更换。
- Periodically clean the machine throughout the period of use. 缝纫机的使用期间应定期进行清扫。
- The authorized person should implement the right of use within the form, conditions, scope, and period of the contract. 被许可人应当在合同规定的方式、条件、范围和时间内行使使用权。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- I think you'll find this tool of use to him. 我想你会发现这个工具对他很管用。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- When the period of use expires, the unit that has used the grasslands shall restore the grassland vegetation. 使用期满，用地单位应当恢复草原植被。
- My advice may be of use for you. 我的意见也许对你有用。
- Which period of history are you studying? 你正在学哪一段历史？
- When the period of use expires,the unit that has used the grasslands shall restore the grassland vegetation. 使用期满，用地单位应当恢复草原植被。
- The old method has fallen out of use. 那个老办法已被淘汰。
- The old method has gone out of use. 那个老办法已被淘汰。
- This was the most difficult period of his life. 这是他一生中最艰难的时期。
- A condition, time, or period of flowering. 花期一种开花的状态、一段开花的时间或时期
- The capital cost is amortizable over a period of ten years. 资本费用可在十年之内分期偿还。
- Ratio of the average illuminance on the working plane after a specified period of use of a lighting installation to the average illuminance obtained under the same conditions for a new installation. 照明装置使用一定时间后工作面上的平均照度，与通常认作是新照明装置在相同条件下得到的平均照度之比。
- I've just struck on something which might be of use to us. 我刚才想到一个办法可能会对我们有用。
- The new government ushered in a period of prosperity. 新政府的成立带来了一个繁荣的时期。
- The lectureship is tenable for a period of three years. 讲师这一职位任期三年。
- But the surface of the frame, not as strong as that, would be damaged after a period of using, which would degrade the quality of raw tile. 但是模框表面可不行，在使用一段时间后表面会出现凹凸不平的现象。
