英文關鍵字
pulmonary
vascular
disease
symbol
monochrome
infection
virus
tuberculosis
cystic
fibrosis
ill
background
smoke
allergy
allergic
cigarettes
coronavirus
covid19
pandemic
blood
cough
vessels
acute
distress
syndrome
symptom
sick
icon
motion
graphic
animation
pictogram
hd
animated
item
sign
glyp