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' job
class communication教学对话
class three channelⅢ级航道
class adviser's job
class-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