英文關鍵字
alarm
backdrop
bacteria
biohazard
biological
damaged
danger
dangerous
deadly
disease
display
epidemic
hazardous
horror
illness
logo
pandemic
pollution
red
sickness
sign
symbol
terror
terrorism
terrorist
war
warfare
warning
weapon
英文關鍵字
alarm
backdrop
bacteria
biohazard
biological
damaged
danger
dangerous
deadly
disease
display
epidemic
hazardous
horror
illness
logo
pandemic
pollution
red
sickness
sign
symbol
terror
terrorism
terrorist
war
warfare
warning
weapon