英文關鍵字
basin
bike
bluff
boat
calm
cliff
comfortable
cool
crag
easy
fall
float
forest
gentle
holiday
human
individual
lake
man
party
peaceful
pedal
people
person
placid
pond
pool
quiescent
quiet
repose
rest
restful
river
rock
sail
sedate
serene
smooth
snorkel
still
stream
swim
timber
tranquil
undisturbed
vacation
water
wood