| 单词 | head start | 
| 释义 | head start听听怎么读 
                            英 [hed stɑ:t]
                         
                            美 [h?d stɑrt]
                         是什么意思 领先; 变形复数:head starts 英英释义head start
 学习怎么用 双语例句
 权威例句Head startHead startDoes Head Start Make a Difference?Does Head Start Improve Children's Life Chances? Evidence from a Regression Discontinuity DesignLonger-Term Effects of Head StartPreventing conduct problems in Head Start children: strengthening parenting competencies.Preventing Conduct Problems, Promoting Social Competence: A Parent and Teacher Training Partnership in Head StartSchool Quality and the Longer-Term Effects of Head StartHalting the development of conduct problems in head start children: the effects of parent training....intervention on Head Start children and teachers. | 
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