英文關鍵字
air
asthma
backgrounds
breathing
bronchial
bronchitis
clinic
compressor
coronavirus
cough
covid
diffuser
disease
droplets
drops
epidemic
equipment
flu
health
hospital
humidifier
illness
infection
influenza
inhalation
inhaler
isolated
lungs
mask
medical
medicine
mist
ncov
nebuliser
nebulizer
oxygen
pandemic
pneumonia
pulmonary
quarantine
recovery
respiratory
sars
sprayer
therapy
treatment
vapor
vaporizer
virus