1. 定期检查机油,经常保养汽车。
Check the oil at regular intervals, and have the car serviced regularly.

《柯林斯英汉双解大词典》

2. 健康浓密的头发需要定期修剪。
Hair that's thick and luxuriant needs regular trimming.

《柯林斯英汉双解大词典》

3. 我们定期会面,讨论工程进展情况。
We meet regularly to discuss the progress of the project.

《牛津词典》

4. 所有设备都应该定期彻底打扫。
All the equipment should be cleaned down regularly.

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5. 定期给冰箱除霜能取得最大效率。
Defrost the fridge regularly so that it works at maximum efficiency.

《柯林斯英汉双解大词典》

6. 很多移民定期给他们的家人寄钱。
Many immigrants regularly remit money to their families.

《柯林斯英汉双解大词典》

7. 她信守诺言,定期去看望姑妈。
She kept her promise to visit her aunt regularly.

《牛津词典》

8. 他也定期为《国际管理》杂志写稿。
He also writes regularly for "International Management" magazine.

《柯林斯英汉双解大词典》

9. 特工们曾定期围捕颠覆嫌疑分子们。
Agents regularly rounded up suspected subversives.

《柯林斯英汉双解大词典》

10. 定期检查你的血压是个好主意。
It's a good idea to have your blood pressure checked regularly.

《柯林斯英汉双解大词典》

11. 定期用吸尘器清洁是很重要的。
It's important to vacuum regularly.

《柯林斯英汉双解大词典》

12. 定期维修可保持发动机的顺畅运转。
Regular servicing guarantees the smooth operation of the engine.

《牛津词典》

13. 定期召开会议监控案件的进展情况。
Meetings are held periodically to monitor progress on the case.

《柯林斯英汉双解大词典》

14. 他定期给《新科学家》杂志撰稿。
He contributes regularly to the magazine 'New Scientist'.

《牛津词典》

15. 员工们定期向慈善机构捐赠物品。
Employees make regular donations to charity.

《柯林斯英汉双解大词典》

16. 对这些植物定期做病害检查。
The plants are regularly inspected for disease.

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17. 兄弟教会成员定期聚集祈祷。
The Brethren meet regularly for prayer.

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18. 她定期来为我们照看小孩。
She regularly babysits for us.

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19. 他俩定期为慈善事业捐款。
They both gave regularly to charity.

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20. 我发现实在很难强迫自己定期出来锻炼。
I find it really hard to drag myself out and exercise regularly.

《柯林斯英汉双解大词典》

21. 水的纯度定期受到检测。
The water is regularly tested for purity.

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22. 农作物定期喷洒杀虫剂。
The crops are regularly sprayed with pesticides.

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23. 这项法律可强制父亲定期支付子女的费用。
The law can compel fathers to make regular payments for their children.

《牛津词典》

24. 我们将定期在那里见面。
We're going to be meeting there on a regular basis.

《柯林斯英汉双解大词典》

25. 庄稼定期喷洒杀虫剂。
The crops are regularly sprayed with pesticide.

《牛津词典》

26. 定期使用润肤乳液可以使皮肤保持柔软光滑。
Regular use of a body lotion will keep the skin soft and supple.

《柯林斯英汉双解大词典》

27. 我们的记录定期更新。
Our records are regularly updated.

《牛津词典》

28. 他不定期地看望父母。
He visited his parents at irregular intervals.

《牛津词典》

29. 他不定期地看望父母。
He visited his parents at irregular intervals.

《牛津词典》