verb / noun HSK 5
Traditional 循環
xún huán
to cycle · to circulate · cycle · circulation

Meaning

循环 refers to a process that repeats in a continuous pattern, returning to its starting point. It can describe physical circulation (like blood or water) or abstract cycles (like patterns, routines, or systems). The word emphasizes the recurring, cyclical nature of the process.

Usage

Commonly used in scientific, technical, and formal contexts. Native speakers use it to describe repeating processes in nature (水循环 'water cycle'), systems (经济循环 'economic cycle'), or computer programming (循环语句 'loop statement'). It can function as both a verb ('to cycle/circulate') and a noun ('a cycle').

Examples

  1. 01
    血液在体内不断循环
    Xuè zài nèi duàn xún huán.
    Blood continuously circulates in the body.
  2. 02
    这个程序会循环执行五次。
    Zhè chéng huì xún huán zhí xíng .
    This program will execute in a loop five times.

Characters

Measure words

  • 一个循环
  • 一次循环

Common collocations

  • 循环系统
    xún huán tǒng
    circulatory system
  • 恶性循环
    è xìng xún huán
    vicious cycle
  • 良性循环
    liáng xìng xún huán
    virtuous cycle
  • 循环
    shuǐ xún huán
    water cycle

Antonyms

Origin

循 originally means 'to follow' or 'go along,' while 环 means 'ring' or 'encircle.' Together they create the image of following a circular path that returns to its beginning.

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