機器
adult
adults
business
care
computer
contrasts
diagnostic
doctor
doppler
embryo
equipment
gynecologist
hair
hand
healthcare
hospital
human
illness
image
industry
mask
medical
medical equipment
medicine
modern
net
occupation
organization
patient
people
person
pointing
pregnancy
protection
repairing
scan
science
screen
sensor
series
smiling
technician
technology
tool
ultrasound
ultrasound machine
unrecognizable
worker