選択的
analysis
analyze
analyzing
background
beaker
biochemistry
biology
biotechnology
blue
chemical
chemistry
closeup
drop
equipment
exam
experiment
flask
fluid
glass
glassware
green
health
horizontal
industry
lab
laboratory
liquid
medical
medication
medicine
microbiology
nobody
pharmaceutical
pharmacology
pharmacy
pipette
reagents
research
sample
science
scientific
scientist
solution
substance
test
toxic
transparent
tube
tubing