英文關鍵字
agriculture
beans
biochemistry
biology
center
chemical
chemist
chemistry
child
children
classroom
development
educational
educative
equipment
examine
experiment
face
girl
growing
health
healthcare
kid
laboratory
learning
leaves
lesson
medical
microbiology
microscope
organic
plants
playing
portrait
project
school
science
scientific
scientist
seed
seedlings
specialist
student
studying
synthesis
testing
worker
working
young