analysis
analyzing
beaker
biology
boy
caucasian
chemical
chemist
chemistry
class
classroom
cognition
concentration
discovery
education
elementary
experiment
happiness
highschool
indoor
intelligence
kid
knowledge
lab
laboratory
learning
lesson
liquid
medicine
microscope
person
pointing
pupil
research
school
schoolgirl
science
scientific
scientist
student
study
studying
teacher
teaching
teenage
teenager
test
tube
定額
Creative teacher pointing chemistry at blackboard while talking to highschool boy at table with microscope and test tube with colored liquid. Young student wearing lab coat in STEM class. Edification.の素材 [FY310228595629]
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