【stru（ct）】
“to build” “建立，建设”
|superstructure=super+struct n.上层建筑；上部结构
super-“在···上面”
eg：With the revolution of the economic foundation, the superstructure has to be transformed, too.
|instruct=in+struct v.指导；通知，命令
in-“在···里面”
eg：The doctor instructed his family members in nursing techniques.
|obstruct=ob+struct v.妨碍；阻塞，遮断
ob-表示“在···中”
eg：The authorities are obstructing an investigation.
【词汇扩展】
macrostructure n.宏观结构
destruction n.破坏
instrument n.工具
substruction n.基础
obstruction n.障碍，阻碍
（以上均来自《200个一定要学的英文词根词缀》一书）
网友评论