名詞 cycle:

1. an interval during which a recurring sequence of events occurs
   同義詞：rhythm, round
2. a series of poems or songs on the same theme
3. a periodically repeated sequence of events
4. the unit of frequency; one hertz has a periodic interval of one second
   同義詞：hertz, Hz, cycle per second, cycles/second, cps
5. a single complete execution of a periodically repeated phenomenon
   同義詞：oscillation
6. a wheeled vehicle that has two wheels and is moved by foot pedals
   同義詞：bicycle, bike, wheel

動詞 cycle:

1. cause to go through a recurring sequence
2. pass through a cycle
3. ride a motorcycle
   同義詞：motorbike, motorcycle
4. ride a bicycle
   同義詞：bicycle, bike, pedal, wheel
5. recur in repeating sequences

1. Her latest stunt is riding a motor cycle through a ring of flames.
   她的最新特技表演是騎摩托車鉆火圈。
2. The pedals of a cycle are attached to the crank.
   自行車的踏板與曲柄相連。
3. I am unable to cycle to school because my bicycle is broken.
   我不能騎車上學(xué)，因為我的自行車壞了。
4. Cycle across America? Sounds a bit dodgy to me.
   騎自行車橫越美國? 聽起來有些冒險。
5. The business cycle is a series of peaks and troughs.
   商業(yè)周期就是淡旺期交替。
6. A series or process that finishes at its starting point or continuously repeats itself; a cycle.
   循環(huán)，周而復(fù)始結(jié)束在其起點或持續(xù)重復(fù)其自身的系列或過程; 循環(huán)
7. He goes to work by cycle.
   他騎自行車上班。
8. This is the cycle of economic booms and slumps.
   這是經(jīng)濟(jì)繁榮和經(jīng)濟(jì)蕭條的周期變化。

cy.cle

n.（名詞）
An interval of time during which a characteristic, often regularly repeated event or sequence of events occurs:
周期，循環(huán)期：一段時間間隔，在這段時間里通常是有規(guī)律重復(fù)的事件或者其后果會出現(xiàn)：
例句：
Sunspots increase and decrease in intensity in an -year cycle.
太陽黑子以十一年為一個周期增強(qiáng)和減弱

A single complete execution of a periodically repeated phenomenon:
循環(huán)：一種簡單完整的周期性重復(fù)發(fā)生的現(xiàn)象：
例句：
A year constitutes a cycle of the seasons.
一年由四季的周期循環(huán)組成

A periodically repeated sequence of events:
周而復(fù)始：一個周期反復(fù)的事件的后果：
例句：
the cycle of birth, growth, and death; a cycle of reprisal and retaliation.
出生，成長，死亡的循環(huán)；冤冤相報

The orbit of a celestial body.
天體的軌道
A long period of time; an age.
時代：非常長的一段時間；時代

The aggregate of traditional poems or stories organized around a central theme or hero:
集成：圍繞同一主題或者英雄的傳統(tǒng)詩歌或者故事的集合：
例句：
the Arthurian cycle.
亞瑟王傳奇故事集成

A series of poems or songs on the same theme:
詩集，組歌：同一主題的系列詩或者歌：
例句：
Schubert`s song cycles.
舒伯特的組歌

A bicycle, motorcycle, or similar vehicle.
自行車，摩托車：自行車，摩托車，或者類似的交通工具
Botany A circular or whorled arrangement of flower parts such as those of petals or sepals.
【植物學(xué)】 花序：花的圓形或者螺紋狀的排列，比如花瓣或者萼片
v.（動詞）
cy.cled,cy.cling,cy.cles
v.intr.（不及物動詞）
To occur in or pass through a cycle.
周而復(fù)始，循環(huán)：周期性的發(fā)生或者運(yùn)動
To move in or as if in a cycle.
循環(huán)：周期地或者好象周期性地運(yùn)動
To ride a bicycle, motorcycle, or similar vehicle.
騎車：騎自行車，摩托車或者類似交通工具
v.tr.（及物動詞）
To use in or put through a cycle:
運(yùn)轉(zhuǎn)，循環(huán)：循環(huán)使用或者循環(huán)通過：
例句：
cycled the heavily soiled laundry twice; cycling the recruits through eight weeks of basic training.
把那個骯臟無比的衣物洗兩遍；通過八星期的基本訓(xùn)練使新手上崗

來源：
Middle English
中古英語
from Late Latin cyclus
源自 后期拉丁語 cyclus
from Greek kuklos [circle] * see k wel-
源自 希臘語 kuklos [循環(huán)] *參見 k wel-

【引伸】
cy.cler
n.（名詞）