A new study found that cutting back on vital nutrients and calories in the first half of pregnancy stunts the development of an unborn child's brain, the Daily Mail of London reported.
据英国《每日邮报》报道，一项最新研究显示，妊娠前期减少主要营养和能量的摄入，会阻碍胎儿的大脑发育。
This thesis concentrates on EFL (English as a foreign language) teachers' perceptions of teacher professional identity and its facilitation in teacher development through an exploratory study.
进行这一研究的理论框架包括对教师职业身份的定义及其形成教师身份的影响因素。
On the one hand, the trunk of an olive tree, especially if it is ancient, is not a very suitable subject for the study of vegetative development.
一方面，特别是如果那是古老的橄榄树，它的树干本来就不非常适合拿来做植物生长研究。
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