It revolves around a small centre where new mothers bring their children for pre-school education and information about nutrition and health.
它围绕着一个小的中心区，在这里，母亲可以带着孩子们来接受学前教育，获取营养卫生方面的信息。
2
The researchers in New Zealand thought that their study would confirm this theory, so they specifically controlled for pre-existing mental health problems.
新西兰的研究人员认为，他们的研究能证实这个理论，所以他们专门加强了对预先存在心理健康问题的控制。
3
It's going to take at least 25 years to restore the health of Ogoniland back to pre-oil days.