生态系统

ecosystem

to be born / to give birth / life / to grow / raw / uncooked / student

ecology

(bound form) / appearance / shape / form / state / attitude / (grammar) voice

ecosystem

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