英文關鍵字
ambulance
background
biochemistry
blue
closeup
cure
disease
dribble
drip
drop
dropper
drug
emergency
equipment
falling
flasher
flashlight
fluid
healing
health
hospital
hygiene
illness
infusion
inside
intravenous
isolated
light
liquid
machine
macro
medical
medication
medicine
one
plastic
police
red
safety
signal
solution
sterile
studio
tank
therapy
treatment
veterinary
white