英文關鍵字
scientist
lab
experiment
laboratory
medical
research
sample
scientific
study
work
analysis
biotechnology
animation
video
clip
popup
motion
cartoon
character
clinical
discover
doctor
equipment
flask
chemist
substance
medicine
vaccine
uniform
man
guy
male
expert
flat
graphic
person
protection
remedy
document
keep
treatment
test
worker
outline
simple
doodle
colorful