<單字複習>
已選單詞
aim
base
basis
cause
celebration
ceremony
circumstance
civilization
class
community
condition
culture
custom
establishment
event
foundation
framework
goal
ground
habit
hierarchy
human
humanity
humankind
individual
institution
intention
level
mankind
motivation
motive
objective
occasion
order
organization
origin
people
person
population
position
practice
purpose
rank
reason
ritual
root
routine
situation
society
source
state
status
structure
system
target
tradition
