英文關鍵字
throat
infection
health
illness
pain
medicine
sore
tonsillitis
disease
medical
inflammation
tonsils
mouth
care
patient
tongue
sick
virus
pharyngitis
neck
people
laryngitis
caucasian
hand
healthy
tonsil
oral
doctor
cancer
young
bacteria
treatment
red
female
examination
vector
ache
gland
check
adult
open
healthcare
streptococcus
human
woman
cold
flu
bacterial
animated
video
scattered
words
white
background
simple