英文關鍵字
sea
ocean
flag
beach
rescue
wave
guard
sand
lifeguard
people
danger
shore
attention
life
swim
holiday
seashore
storm
red
yellow
swimming
bathe
children
wind
英文關鍵字
sea
ocean
flag
beach
rescue
wave
guard
sand
lifeguard
people
danger
shore
attention
life
swim
holiday
seashore
storm
red
yellow
swimming
bathe
children
wind