英文關鍵字
animated
animation
background
biology
black
blow
blowing
blue
cell
cells
cellular
concept
coronavirus
covid
dangerous
dark
duplicate
duplicating
duplication
flourish
flourishing
flowing
flu
glowing
group
health
large
many
medicine
micro
microbe
microbiology
microscope
microscopic
motion
nano
niche
number
particle
particles
red
rendering
respiratory
science
slow
view
viral
virology
virus