英文關鍵字
adjustable
alarm
alert
audible
battery
black
blackout
chronometer
clock
compact
countdown
customizable
design
digital
dual
e-learning
easy
efficiency
exam
focus
footage
gym
high
interval
kitchen
learning
lightweight
management
matte
measurement
meeting
multiple
online
operated
pack
personal
pomodoro
portable
precise
presentation
productivity
quality
reliable
second
settings
sleek
sports
stopwatch
tasks
technique
time
time-lapse
time-sensitive
timeboxing
timekeeping
timepiece
timer
timing
tracking
trainer
training
two
use
visual
workout