大象

photosynthesis
cell devision
pregnant
fertilized egg
implantation
amniotic fluid
generation
idenical twin
vacuole
variable
variation
puberty
umbilical cord
vertebrate
sperm duct
abortion
aids
cell wall
cell menbrane
equipment
fume cupboard
heredity
magnification
menisus
menstruation
nocturnal emission
oviduct
objective
invention
hand span

大象

transportation
conservation
interdependent
scales
gills
invertebrates
amphibians
lung
characteristics
habitat
adapt
micro - organisms
spatula
wire gauze
evaporation
measuring cylinder
toxic
flammable
explosive
corrosive
hypothesis
independent