英文關鍵字
antacid
aqua
aspirin
background
bubbles
care
chemical
chemistry
clear
closeup
dissolve
dissolving
doctor
dose
drink
drug
drugs
effervescent
fizzy
flu
fluid
glass
health
healthcare
illness
indoors
lab
laboratory
liquid
macro
medical
medicine
motion
pain
painkiller
pharmaceutical
pill
relief
scientific
tablet
test
therapy
transparent
vitamin
water
white