xún huán
to cycle
to circulate
circle
loop
liáng xìng xún huán
virtuous cycle (i.e. positive feedback loop)
xún huán shǐ yòng
recycle
to use in cyclic order
xún huán lùn zhèng
circular argument
logical error consisting of begging the question
Latin: petitio principii
xún huán jié
recurring section of a rational decimal
níng méng suān xún huán
citric acid cycle
Krebs cycle
tricarboxylic acid cycle
láng kěn xún huán
Rankine cycle (engineering)
mì bì shì xún huán zài hū xī shuǐ fèi xì tǒng
closed-circuit rebreather scuba (diving)