英文關鍵字
analysis
background
beaker
biology
biotechnology
bottle
care
chemical
chemist
chemistry
closeup
color
cosmetic
development
discovery
equipment
experiment
female
flask
fluid
glass
glassware
hand
industry
instrument
lab
laboratory
liquid
medical
medicine
microbiology
mix
mixing
natural
oil
pharmaceutical
pharmacy
reaction
research
sample
science
scientific
scientist
substance
technology
test
toxic
transparent
tube
water