英文關鍵字
clinical
research
concentrated
woman
studying
xray
photo
lungs
sitting
light
office
room
interior
vertical
video
diagnosis
work
female
doctor
make
medical
study
smart
books
upgrade
knowledge
professional
skill
middleaged
encyclopedia
spectacles
whites
practitioner
phonendoscope
hospital
information
therapy
healthcare
disease
specialist
caucasian
people
person
adult
closeup