燃料循环

fuel cycle

to burn / to ignite / to light / fig. to spark off (hopes) / to start (debate) / to raise (hopes)

fuel

material / stuff / grain / feed / to expect / to anticipate / to guess

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