英文關鍵字
animation
bacillus
background
bacteria
bacterium
biology
blood
bloodstream
body
bug
cell
coli
computer
culture
diarrhea
dna
electron
escherichia
floating
food
human
illness
illustration
looping
magnification
medical
medicine
micro
microscope
organism
poisoning
rendering
research
rna
salmonella
science
scientific
sewage
stomachache
substance
tissue
toxic
virus
vomit
water