geo·fen·cing (also geo-fencing) BrE/ˈdʒiːəʊfensɪŋ/NAmE/ˈdʒiːoʊfensɪŋ/noun[U]atechnologywhichdrawsavirtuallinearoundaphysicalareasothatasignalcanbesenttoamobileelectronicdevicesuchasaphoneinsidethislineorwhenthislineiscrossed地理围栏(在某个地理区域画出虚拟界线,当手机等移动电子设备在界线之内或越过界线时会收到信号)◆Geofencingaroundshopsmeansthatasyoupassaparticipatingstoreyouwillreceivepromotionaloffersforgoodsandserviceswithinthatstore.在商店周围设置地理围栏的作用在于,当你经过一家参与的商店,你就可以收到该店的商品和服务的促销优惠。▸geo·fence (also geo-fence) noun◆You can even set up a geofence around a truck and receive an alert if your truck leaves the area.你甚至可以在卡车周围设置地理围栏,这样一旦卡车离开该区域,你就会收到警报。▸geo·fence (also geo-fence) verb