英文關鍵字
analysis
analyzing
assistant
biochemistry
biofuel
biologist
biology
chemical
chemist
chemistry
closeup
conducting
control
development
equipment
examining
experiment
expert
expertise
fuel
gasoline
industrial
industry
innovations
innovative
lab
laboratory
liquid
nature
petrol
preservation
product
production
quality
reaction
refined
research
researcher
sample
science
scientific
scientist
study
studying
substance
test
testing
tube
yellow