英文關鍵字
medicine
doctor
hospital
health
pandemic
covid19
coronavirus
mask
virus
man
protection
male
uniform
tired
epidemic
profession
clinic
care
disease
medical
portrait
protective
overworked
outbreak
professional
infection
treatment
help
face
laboratory
exhausted
hygiene
diagnosis
chemist
covid
visor
microbiology
examination
biotechnology
ambulance
mark
front
indoors
doctors
camera