英文關鍵字
active
adult
amplitude
aquatic
beard
closeup
correctly
danger
elderly
exercise
exhale
experienced
face
fitness
grayhaired
gym
head
health
individual
inhale
kayak
loops
men
oar
pension
pensioner
people
perform
performance
physical
prize
rise
risky
rtx
sailing
sport
standing
strength
trainer
travel
two
warmup
water
young