[usu. with modifier]a device which prevents or stops a specified thing 制动器,制动装置 a spark arrester. 火花捕捉器。 a lightning arrester. 避雷器,避雷针。 ■a device on an aircraft carrier that slows down aircraft after landing by means of a hook and cable (舰载飞机在航空母舰上着陆后用钩和缆绳来减缓飞机滑行速度的)制动钩