英文關鍵字
boat
boats
canal
closed
dirty
duty
environment
exposure
gate
gates
heavy
hinged
industry
jet
leak
leaking
leaky
leisure
lever
liquid
lock
long
narrow
natural
nature
old
outdoor
paddles
panels
river
rock
shallow
shut
sprung
spurt
spurting
steel
summer
traditional
transport
transportation
water
watercraft
waterway
wet
white
wooden
worn