英文關鍵字
adult
asia
asian
background
border
care
caucasian
china
concept
coronaviridae
coronavirus
crossed
danger
doctor
epidemic
extraordinary
gesture
guy
hand
health
hospital
infection
insulator
isolated
lab
male
man
mask
medical
medicine
people
person
physician
portrait
professional
protection
protective
quarantine
refuse
rejection
serious
showing
sign
stop
virus
warning
white