<單字複習>
已選單詞
act
action
activity
adaptation
adjustment
alteration
approach
case
change
circumstance
condition
contraction
decrease
deed
degree
design
development
example
expansion
growth
increase
instance
level
method
model
modification
motion
movement
operation
pattern
performance
phase
plan
position
procedure
process
progress
rank
reduction
scheme
situation
stage
state
status
step
strategy
tactic
technique
