英文關鍵字
analyzing
boy
caucasian
child
childhood
class
cute
discovery
education
equipment
examining
experiment
expertise
find
forceps
fun
glass
hand
happiness
indoors
inquisitive
investigate
kid
knowledge
lab
learning
lens
looking
male
microscope
person
petal
play
researcher
sample
scientific
search
slide
studying
subject
teach
technology
test
tube
tweezers
using
wall
white
yellow
young