英文關鍵字
alone
army
arrest
bar
barb
barbed
behind
building
cage
captive
captured
cell
close
convict
crime
criminal
despair
detain
detention
facility
fence
flying
freedom
gate
imprison
imprisoned
imprisonment
incarcerated
iron
jail
jet
lock
man
metal
object
penitentiary
plane
prison
prisoner
punishment
row
security
sky
state
sun
sunset
trapped
war
wire