英文關鍵字
assisted
attempt
azote
background
bank
beaker
biotechnology
boiling
change
chemical
chemistry
children27s
clear
climate
co2
cold
color
cool
cream
different
dry
equipment
experiment
flask
freeze
funny
glass
glassware
health
ice
lab
laboratory
liquid
man
medical
medicine
nitrogen
open
pharmacy
preschool
research
science
scientific
scientist
senior
smoke
specialist
storage
student
test