英文關鍵字
adventure
aquatic
background
below
blue
boat
deep
discovery
dive
down
engine
equipment
exploration
holiday
hull
immersion
marine
metal
motor
nautical
ocean
pacific
propeller
recreation
repair
rudder
screw
scuba
sea
ship
shipping
submarine
surface
tourism
transport
transportation
travel
trip
under
undersea
underwater
vacation
vessel
water