循環系統

circulatory system

to follow / to adhere to / to abide by

to cycle / to circulate / circle / loop

surname Huan

ring / hoop / loop / (chain) link / classifier for scores in archery etc / to surround / to encircle / to hem in

to connect / to relate to / to tie up / to bind / to be (literary)

system / department / faculty

to tie / to fasten / to button up

to connect / to arrest / to worry

system / CL:個|个[ge4]

to gather / to unite / to unify / whole