单词	twin symmetry
释义	twin symmetry 双晶对称
随便看	ecological velocity ecological vernacular houses ecological vicariad ecological vicariant Ecologicalview ecological view ecological view of nature ecological-view of post-modemism ecological view on learning ecological viewpoint ecological views ecological views of the nature ecological vilization ecological village ecological virescence ecological vision ecological visual angle ecological vulnerability ecological vulnerable region ecological vulnerable zone ecological wall ecological warfare ecological warfares ecological warning line ecological water