jump leads
noun [ plural ] UK uk/ˈdʒʌmp ˌliːdz/ us/ˈdʒʌmp ˌliːdz/ (US jumper cables)
（用来与另一汽车中带电电池相连接以启动发动机的）跳线，跨接线
a pair of thick wires for starting the engine of one vehicle with electricity from the battery of another vehicle
See also: jumper leads