英文關鍵字
accident
addiction
aid
alert
assist
assistance
bad
business
cancer
care
caution
checklist
communication
concept
coronavirus
danger
difficulty
disaster
document
draw
drawing
emergency
emotional
epidemy
escape
exit
expression
hand
hazard
health
help
idea
illness
information
letters
life
medical
medicine
mental
message
need
pain
paper
pensive
poster
preparation
prevention
problem
problems
protect
protection
reminder
risk
safe
safety
security
sentence
showing
sign
situation
social
sos
stop
stress
stressed
support
survival
survivorship
symbol
tumor
urgency
virus
warning
word
writing