英文關鍵字
achieve
aerate
atoll
bar
barrierreef
boost
cay
close
coast
coastalregion
direction
diving
education
fishschool
floating
fringing
greece
injunction
instructor
key
ledge
look
lunge
near
reef
ridge
rocks
sandbank
sandbar
schooling
scuba
seabed
seabottom
shelf
shoal
sink
skerry
spit
subaquatics
subaqueous
submarine
submerge
swimming
the
undersea
upclose