lightning
加入词篮fog
foggy
mist
frost
flood
tropical
disaster
biology
organism
microscope
cell
nucleus
DNA
bacteria
germ
grow
growth
multiply
reproduce
breed
clone
protein
gene
genetic
plant
class
order
family
species
wood
jungle
forest
forestry
brush
bush
root
bulb
stem
leaf
tree
trunk
branch
limb
bamboo
palm
date
palm
oak
pine
animal
creature
beast
zoo
bird
songbird
feather
wing
tail
fly
bill
claw
swallow
swift
nest
sparrow
eagle
bat
crane
seagull
migrate
reproduce
tiger
lion
dragon
elephant
trunk
monkey
bear
wolf
fox
camel
snake
deer
giraffe
stag
hunt
dolphin
seal
frog
seashell
whale
insect
worm
mosquito
fly
butterfly
