uk /ˈbʌm.pər/us /ˈbʌm.pɚ/ B2 noun
a horizontal bar along the lower front and lower back part of a motor vehicle to help protect it if there is an accident

前保险杠

uk /ˈbʊl ˌbɑːr/us /ˈbʊl ˌbɑːr/ noun UK
a metal frame fixed in front of the front lights of a vehicle to prevent serious damage if the vehicle hits an animal

保险杠贴条

uk /ˈbʌm.pə ˌstɪk.ər/us /ˈbʌm.pɚ ˌstɪk.ɚ/ noun
a sign that you stick on a car, often with a funny message on it