英文關鍵字
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blister
blisters
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breathe
concept
coronavirus
covid
disease
disposable
epidemic
equipment
face
flu
grippe
health
hospital
illness
individual
infection
infectious
influenza
mask
means
medical
medicament
medication
medicine
medicines
nasal
nose
panorama
personal
pharmacy
pill
pills
prevention
protection
protective
respiratory
risk
safety
sickness
spray
sprays
tablet
tablets
treatment
valve
virus