英文關鍵字
abstract
aids
atom
attack
background
backgrounds
bacterium
beauty
biology
body
cancer
cell
cells
channel
circle
cyclic
dark
dividing
division
dna
egg
eukaryote
exam
flu
generated
green
growth
hepatitis
hiv
human
illness
influenza
life
liquid
magnification
medical
medicine
membrane
microscope
mitosis
multiplication
new
nrealistic
nucleus
plant
realistic
research
rotation
russian
sample
science
sphere
stem
swine
technology
transparent
virus
within