英文關鍵字
ultrasound
transducer
doctor
sonography
screen
machine
diagnostic
monitoring
diagnosis
health
clinic
equipment
technology
stomach
scanner
echocardiogram
line
icon
animation
linear
motion
graphic
pictogram
hd
video
thin
outline
loop
art
contour
drawing
animated
illustration
concept
web
symbol
flat
lineart
isolated
design
sign
simple
dark