英文關鍵字
automobile
brave
call
car
closeup
colleagues
confident
cop
dangerous
duty
enforcement
experienced
force
guard
job
justice
law
male
man
occupation
officer
order
patrol
patrolling
people
police
policeman
prevention
profession
professional
protection
public
radio
ready
respectable
responsibility
responsible
safety
security
serious
service
shift
sitting
teamwork
traffic
twoway
uniform
vehicle
walkietalkie
work