名词
1. (声音或运动的)节奏，韵律，节拍
A rhythm is a regular series of sounds or movements.
2. (身体、季节、潮汐等的)规律性变化，节奏
A rhythm is a regular pattern of changes, for example changes in your body, in the seasons, or in the tides.
1. natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle)
Synonym: rhythm method of birth controlrhythm methodcalendar method of birth controlcalendar method
2. recurring at regular intervals
Synonym: regular recurrence
3. the arrangement of spoken words alternating stressed and unstressed elements
e.g. the rhythm of Frost's poetry
Synonym: speech rhythm
4. the basic rhythmic unit in a piece of music
e.g. the piece has a fast rhythm
the conductor set the beat
Synonym: beatmusical rhythm
5. an interval during which a recurring sequence of events occurs
e.g. the never-ending cycle of the seasons