Cute pupils doing biochemistry research in chemistry class
Palabras clave
beautiful,
biochemistry,
biology,
blackboard,
board,
boy,
bulb,
blackboard,
chemistry,
childhood,
children,
class,
classroom,
cute,
desk,
doing,
education,
elementary,
experiment,
female,
flask,
formula,
fun,
girl,
group,
happy,
hobby,
children,
cognition,
laboratory,
laboratory,
learn,
lesson,
little,
microscope,
people,
person,
portrait,
primary,
pupil,
research,
school,
schoolgirl,
science,
smiling,
study,
studying,
test,
tube,
young
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