英文關鍵字
abstract
ampoule
anti
assembly
background
backgrounds
backlight
beautiful
billion
bulk
business
chemical
classic
clean
close
colors
colour
compamy
companies
composition
corona
coronavirus
costly
covid
covid19
cure
dollars
drug
epidemic
footage
forms
fragments
frame
good
h264
healthcare
healthy
hospital
hospitals
illumination
life
light
look
manufacture
manufacturer
manufacturing
material
matte
medical
medicament
medicine
million
millionaire
natural
pandemic
pattern
perfect
pharmaceutical
plastic
pneumonia
pure
purest
remedy
rounded
science
soft
state
success
successful
super
treatment
united
usa
vaccine
video
virus