英文關鍵字
arrest
authority
bay
blue
boat
boating
call
coast
craft
danger
defend
disaster
emergency
enforcement
guard
harbor
harbour
homeland
incident
launch
law
marine
maritime
members
nautical
ocean
pacific
patrol
patrolling
police
port
protect
protection
rescue
responder
response
restricted
safety
sea
search
security
services
ship
southern
speed
terror
transport
transportation
vessel
water