happening or done from time to time, without a consistent pattern

偶尔的, 间歇性的
done or happening regularly

频繁的, 常见的
happening at irregular intervals

不频繁的, 稀少的
done or taking place every hour

每小时的, 按小时进行的
done, happening, or produced every day

日常的, 每天的
occurring every night

每夜的, 每晚的
happening, done, or made every week

每周的, 周刊的
happening or done once every month

每月的, 按月的
occurring or done once every three months

季度的, 每季的
appearing, made, or happening once a year

年度的, 每年的
happening, done, or made once every year

年度的, 每年的
typical or customary for a specific time of year

季节性的, 季节性
taking place each day

每天的, 日常的
taking place or repeating at consistent, set intervals over time

定期的, 周期性的
referring to biological processes in living organisms that follow a roughly 24-hour cycle, primarily influenced by natural light and dark periods

昼夜节律的, 生物钟的
happening repeatedly or done multiple times

重复的, 反复的
repeatedly happening or reappearing, often at regular intervals

反复的, 复发的
happening or appearing repeatedly

反复的, 重复的
