表皮
abstract
academy
allium
background
biological
biology
botany
bright
chloroplast
class
core
cut
discipline
enlarged
high
investigation
layer
leaf
macro
magnification
magnify
material
medicine
megascopic
membrane
micro
microbiology
microscopic
nature
nucleus
onion
organic
permanent
photograph
plate
protective
research
school
skin
stain
study
subject
substance
texture
university
vacuole