英文關鍵字
artificial
artistic
beverage
boiling
bubbles
carbon
cardice
celebration
chemical
chemist
children
closeup
cloudy
cold
container
cool
cooler
dioxide
dry
effect
experiment
fog
frozen
hand
hold
ice
laboratory
liquid
man
material
mist
party
plastic
science
scientific
show
smoke
smoky
solid
space
steam
sublimation
take
temperature
test
vapor
water
white