英文關鍵字
young
woman
coughing
correctly
crook
her
elbow
yong
student
freelancer
working
home
coronavirus
cough
symptom
hand
wearing
protective
mask
quarantine
fever
treatment
pandemia
covid19
英文關鍵字
young
woman
coughing
correctly
crook
her
elbow
yong
student
freelancer
working
home
coronavirus
cough
symptom
hand
wearing
protective
mask
quarantine
fever
treatment
pandemia
covid19