acid
analysis
analyzing
background
beaker
biochemist
biology
biotechnology
blue
chemical
chemist
chemistry
class
clinical
closeup
concentrate
development
discovery
drug
equipment
experiment
flask
fluid
focus
glass
glassware
industry
innovation
lab
laboratory
liquid
medical
medicine
microbiology
pharmaceutical
pharmacology
poison
reactants
reagents
research
science
scientific
technology
test
toxic
transparent
tube
vaccine
water
white
定額
Conducting a chemical experiment in a laboratory. Colored flasks with chemical reagents. Many glass medical flasks in the hands of a scientist. Beautiful color reagent solution. Yellow and brown test tubes.の素材 [FY310144236307]
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