ドラマチック
劇的
buoy
buoyant
danger
dark
emergency
equipment
extreme
float
flotation
guard
help
inflatable
landscape
life
lifebelt
lifebuoy
lifesaver
marine
marker
navigation
ocean
orange
pattern
plastic
preserver
protect
protection
rescue
ring
risk
safe
safety
save
sea
shape
shipwreck
sos
survival
water
wave