活动
to exercise; to move about; to operate; to use connections (personal influence); loose; shaky; active; movable; activity; campaign; maneuver; behavior; CL:項|项[xiang4],個|个[ge4]
活动中心
activity center; CL:處|处[chu4]
活动房
prefabricated building; prefab
活动房屋
prefabricated building; prefab; mobile home; caravan; trailer
活动曲尺
sliding bevel (to measure angles)
地震活动带
seismic zone; earthquake belt