boy
chemistry
child
children
class
classroom
creative
desk
development
education
excited
experiment
girl
glass
glasses
happiness
happy
information
kid
kids
lab
laboratory
learn
learning
people
person
pride
professional
project
research
results
room
school
science
scientist
smile
solution
student
students
study
support
table
teach
teacher
technology
test
woman
women
young
youth
定額
Science, teacher and students in classroom with experiment, support and pride for learning. Chemistry, boy child and girl at school for research, solution and development or results for projectの素材 [FY310234066600]
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