Classfy城乡结合部classn.等级；阶级；阶层；班级；课；[生]纲；<口>出色的风度v.分类classified leveling等级水准class advisers' jobclass communication教学对话class three channelⅢ级航道class adviser's jobclass-a operation[电] A类操作class effectiveness建设课堂有效性class-action suit共同起诉class-aw emission[电] A2类发射classifier teaching量词教学