英文關鍵字
achieve
aerate
and
atoll
bar
barrier
boost
bottom
cay
close
coast
coastal
direction
diving
education
encounter
epinephelus
fish
floating
fringing
greece
hide
injunction
instructor
key
ledge
look
lunge
marginatus
mediterranean
near
reef
region
ridge
rocks
sandbank
sandbar
school
schooling
scuba
sea
seabed
seek
shelf
shoal
sink
spit
subaquatic
subaqueous
submarine
submerge
swimming
undersea
with