英文關鍵字
bicycle
bicyclist
bike
biking
broken
caucasian
chain
cycle
cyclist
equipment
fix
fixing
gear
hand
install
installing
instrument
job
lifestyle
maintenance
male
man
master
mechanic
occupation
outdoor
person
profession
professional
repair
repairer
repairman
screw
service
serviceman
sport
steel
street
technician
tire
tool
transport
tube
tyre
vehicle
wheel
work
worker
workout
workshop