循 - sequential, follow

circulatory organ

circulation; rotation; cycle; loop

vicious circle; vicious cycle

hot springs bath with simulated natural water supply and drainage; closed-loop hot springs bath

loop-line bus; loop bus; bus on a circular route; bus following a circular route

Hadley circulation; Hadley cell

patrol

end-around borrow

end-around carry

Ferrel cell; Ferrel circulation

cycle (e.g. in business)

dilly-dallying and temporizing (temporising)