Word · CEFR B1 · Frequency #2200
cycle
周期；循环
核心释义
A series of events that is regularly repeated, or the time period during which one complete series happens.
- 1.
一段空间或时间间隔,在此期间一组事件或现象完成。
An interval of space or time in which one set of events or phenomena is completed.
- 2.
脚踏驱动的车辆,如独轮车、自行车或三轮车,或具有两轮或三轮的机动车。
A pedal-powered vehicle, such as a unicycle, bicycle, or tricycle, or a motorized vehicle that has either two or three wheels.
- 3.
一个事件循环发生的时间间隔
an interval during which a recurring sequence of events occurs
- 4.
任何物体的完整旋转。
A complete rotation of anything.
- 5.
围绕同一主题的一系列诗歌或歌曲
a series of poems or songs on the same theme
- 6.
返回其起点并以相同顺序重复自身的过程。
A process that returns to its beginning and then repeats itself in the same sequence.
- 7.
周期性重复的事件序列
a periodically repeated sequence of events
- 8.
由这种过程形成的序列成员。
The members of the sequence formed by such a process.
- 9.
一系列诗歌、歌曲或其他艺术作品,通常比三部曲长。
A series of poems, songs or other works of art, typically longer than a trilogy.
- 10.
洗衣机、洗碗机或其他此类设备上的程序。
A programme on a washing machine, dishwasher, or other such device.
- 11.
同一球员在同一场比赛中打出的一垒打、二垒打、三垒打和本垒打。
A single, a double, a triple, and a home run hit by the same player in the same game.
- 12.
一条闭合的路径或通路,允许或不允许重复顶点。
A closed walk or path, with or without repeated vertices allowed.
- 13.
边界为零的链。
A chain whose boundary is zero.
- 14.
想象中的天体圆圈或轨道；天球之一。
An imaginary circle or orbit in the heavens; one of the celestial spheres.
- 15.
时代；很长一段时间。
An age; a long period of time.
- 16.
特定时间的有序列表；日历。
An orderly list for a given time; a calendar.
- 17.
圆形或螺旋的一整圈。
One entire round in a circle or a spire.
- 18.
电击枪的一次放电。
A discharge of a taser.
- 19.
飞机的一次起飞和降落,指对机身产生应力的增压循环。
One take-off and landing of an aircraft, referring to a pressurisation cycle which places stresses on the fuselage.
- 20.
数周或数月的一段计划时间,期间使用增强表现的物质或补充剂,随后是一段时间不使用或剂量较低。
A scheduled period of time of weeks or months wherein a performance-enhancing substance or, by extension, supplement is applied, to be followed by another one where it is not or the dosage is lower.
- 21.
赫兹；每秒周期数。
A hertz; cycle per second.
自行车；摩托车；（洗衣机、洗碗机等的）程序；流程；（旋转的）一圈；一整转；组诗；组歌；系列作品；（棒球的）完全打击
用法In use
The water cycle is essential for life on Earth.
用法提示：此处'cycle'作为名词，表示一个重复的事件序列。
She listens to a cycle of Beethoven's symphonies every month.
用法提示：此处'cycle'指围绕同一主题的一系列作品。
The business cycle affects employment rates across the country.
用法提示：此处'cycle'表示经济活动中周期性重复的事件序列。
the never-ending cycle of the seasons
Schubert's song cycles
a cycle of reprisal and retaliation
a/the cycle of [noun]
用于表示某种过程周而复始地发生，名词常用 nature、life、seasons 等。
相关词与表达Connections
搭配Collocations
- life cycle
- 生命周期
- The life cycle of a butterfly consists of four stages.蝴蝶的生命周期包括四个阶段。
- business cycle
- 商业周期
- Economists study the business cycle to predict economic trends.经济学家研究商业周期以预测经济趋势。
- cycle of violence
- 暴力循环
- The community is trapped in a cycle of violence.这个社区陷入了暴力循环。
习语与比喻表达Idioms & figurative uses
- vicious cycle
- 恶性循环The more you sleep in, the more tired you feel—it's a vicious cycle.
学习提示Learner notes
记忆技巧Memory Tip
自行车轮转一圈就是一个周期循环
语境与语域Context & Register
名词“cycle”表示周期或循环，常用于科学、经济及日常语境，语体中性。
发音与拼写Pronunciation & Spelling
Words ending with '-cycle' and '-icle' (bicycle, tricycle, motorcycle, icicle) rhyme with 'cycle'. Note that 'circle' and 'uncle' share the '-cle' spelling but have different vowel sounds.
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
用法优先级Usage priority
Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
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