英文關鍵字
cartoon
character
2d
animation
laboratory
lab
science
experiment
research
students
chemistry
test
biology
education
equipment
tube
flask
microscope
study
school
discovery
flat
motion
graphic
illustration
hd
video
design
animated
footage
human
isolated
loop
clipart
repeat
toon
dynamic
detailed
people
young
male
female
girl
boy
teen
teenager
adolescent
white
caucasian