on certain occasions 近义词
等同于 periodic
on certain occasions 的近义词 34 个
- annual
- intermittent
- monthly
- occasional
- recurrent
- recurring
- regular
- repeated
- routine
- seasonal
- sporadic
- weekly
- yearly
- periodical
- alternate
- at various times
- centennial
- cyclic
- cyclical
- daily
- epochal
- every once in a while
- every so often
- fluctuating
- hourly
- infrequent
- isochronal
- isochronous
- on-again-off-again
- orbital
- perennial
- rhythmic
- serial
- spasmodic