英文關鍵字
air
asthma
asthmatic
breathing
bronchial
bronchitis
clinic
compressor
corona
coronavirus
cough
covid
diffuser
disease
drops
empty
endless
epidemic
equipment
flu
health
humidifier
illness
infection
influenza
inhalation
inhaler
loop
mask
medication
medicine
mist
nebuliser
nebulizer
oxygen
pneumonia
pulmonary
quarantine
recovery
respiratory
sars
seamless
sickness
therapy
treatment
vapor
vaporizer
virus