英文關鍵字
adult
aids
beginning
care
career
client
clinic
consultation
coronavirus
dentist
disease
diseases
doctor
european
face
follows
health
healthcare
hospital
hygiene
illness
infection
influenza
male
man
mask
medical
medicine
office
physician
prepare
professional
protection
protective
protects
puts
ready
room
rules
safety
sanitary
serious
surgical
take
teeth
treatment
uniforms
virus
wearing
work