浜辺
a lifebuoy
aid
bay
belt
boat
bright
buoy
circle
colors
cruise
drown
emergency
equipment
float
guard
help
hope
kisby ring
life
life preserver or lifebelt
lifebuoy
lifeguard
lifering
lifesaver
marine
object
ocean
orange
perry buoy
pool
preserver
protection
red
rescue
ring
ring buoy
rope
round
rubber
safe
safety
save
saver
sea
security
ship
sink
sos
survival
swim
swimmer
swimming
watch
water
wave