英文關鍵字
beach
boat
catastrophe
coast
coastguard
cruise
danger
dangerous
disaster
emergency
extreme
fast
friend
germany
guard
gun
help
hold
homeland
laboe
law
life
lifeguard
live
marine
ocean
patrol
port
protection
rescue
risk
round
safety
sailing
save
sea
security
service
ship
sink
situation
sos
speed
transportation
vessel
water
wave
wheel
wind