英文關鍵字
alga
algicide
animal
apple
aquatic
cochlea
crustaceans
daphnia
endless
euglena
feeding
flagellate
gasteropod
gastropoda
genus
lapse
mere
microscopy
millimetres
mouth
nature
planktonic
pond
roll
seaweed
shell
singlecelled
slug
small
snail
stereo
tangle
tentacle
time
water
weed
worm
wormed