가끔 또는 때때로 일어나는 모양
from time to time; occasionally
예문:
"The manager periodically reviews the project files to ensure no errors were made."
"I periodically treat myself to a fancy dinner after a long week of work."
일정한 시간 간격으로 되풀이하여
at regularly occurring intervals
예문:
"The satellite orbits the planet and transmits data periodically to the base station."
"The backup system is programmed to run periodically every twelve hours."