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1·If there is only one there at 6 weeks you need to keep a check on it.

如果只有一个，那么要保持每6周检查一次。

2·Regular visits to your GP will help you keep a check on your overall health.

定期探访你的家庭医生会帮助您检查您的整体健康。

3·It's okay to keep a check on your child, but overdoing it can hamper their trust instinct.

检查你的孩子没错，但是不能矫枉过正，否则它会妨碍孩子们信任的本能。

4·Keep a check on it, and put the drain plug back on when the oil has finished draining.

继续检查，并把排水管堵塞时，回到石油已完成排水。

5·But, we must keep a check on working hours and clocking-in machines for office staff do exist.

但是，我们一定保存在工作时间上的支票而且时钟-在机器中因为公司职员确实存在。

6·Similarly machines could be used to keep a check on a patient's health record and bring it up to date.

同样，机器能够检查病员的病因，并使之反应出最新情况。

7·Similarly, machines could be used to keep a check on a patient's health record and bring it up to date.

同样，机器能够检查病员的病因，并使之反应出最新情况。

8·Similarly, machines could also be used to keep a check on a patient's health record and bring it up to date.

同样，机器能够检查病员的病因，并使之反应出最新情况。

9·A laboratory assistant helps to maintain scientific equipment, keep a check on the supplies in the store, and prepare the chemicals for experiments.

实验室助理就是要维护科研设备，经常检查库房的供应以及为化学实验做准备工作。

10·Several thousand companies also keep a check on how environmentally friendly they are by taking part in the European Union's Environmental Management and Audit Scheme.

几千家公司参加欧洲联盟的环境管理和审计计划，他们还保持检查环保的进程。他们必须定期公布报告来展示他们的表现。