acticadj.潮区的；大陆架边缘区的n.潮区；大陆架边缘区actn.行为；行动；法案；(戏剧、歌剧等的)一幕；假装v.行动；举止；假装；表演；扮演；充当；有效果Activating teaching materials活化教材activities in science courses科学活动课程Actue coax- arthrosynovitis儿童急性髋关节滑膜炎act of disposition of identity身份处分权act of decreasing in length.在长度方面减少的行为。act of forming labor unions.建立劳动组织的活动。activator-dissociator system激活子解离子系统activation-recovery interval兴奋-恢复间期activities in Chinese learning语文活动act boldly and with confidence放胆