英文關鍵字
adventure
antique
boots
close
closeup
coin
coins
dangerous
detect
detecting
detection
detector
dig
discovering
discovery
electrical
electronic
equipment
field
find
finding
foot
gold
grass
ground
hidden
hobby
hunting
industrial
industry
lawn
leg
look
looking
lost
man
metal
mine
outdoor
outdoors
outside
recreational
search
searching
seeker
sensor
shovel
summer
technology
treasure
valuable
walk
working