英文關鍵字
virus
man
coronavirus
mask
face
protection
covid19
medical
pandemic
flu
health
infection
corona
male
epidemic
portrait
prevention
disease
quarantine
sick
people
illness
person
care
wearing
safety
young
medicine
protective
respiratory
outbreak
protect
adult
ill
home
business
using
phone
holding
mobile
smart
internet
smiling
happy
smile
happiness