英文關鍵字
antibacterial
antiviral
background
bacteria
biohazard
caucasian
chemical
chemist
contamination
coveralls
disease
disinfection
ecology
engineer
epidemic
epidemiologist
factory
health
industrial
infection
man
mask
medical
medicine
pandemic
peering
physicist
plant
portrait
prevention
professional
protection
protective
quarantine
respirator
sanitary
scientist
specialist
spread
suit
virologist
virus
worker