分类：教育/科学-学习帮助
问题：几个词组的意思……lookbackon/tothinkbackt 
look back on/tothink back togo back todate back todate f
回答：look back on/to 
vt. 回顾(追想)
think back to 
vt. 回想(回忆,重新思虑)
go back to 
vt. 追溯到(回到...上来)
date back to \ date from 
vt. 回溯到(开始于,从...的时候存在)