| 例句 |
periodicadjective appearing or occurring repeatedly from time to timesent out periodic reminders about the office dress code constant, frequent, habitual, periodical, regular, repeated, steady continual, intermittent, recurrent, recurringcyclic(or cyclical)around-the-clock, hourly, round-the-clock, 24-7(or 24/7)chronic, confirmed, inveterateexpected, usual inconstant, infrequent, irregular episodic(also episodical), occasionalunexpected, unusual occurring or appearing at intervalsperiodic snow showers that might leave up to an inch continual, intermittent, on-and-off, periodical, recurrent, recurring alternate, alternating, cyclic(or cyclical), rhythmic(or rhythmical), seasonal, serialaperiodic, erratic, fitful, irregular, occasional, spasmodic, sporadic, spotty, unsteady constant, continuous, incessant, unceasing eternal, everlasting, interminable, perpetual in 1650 |