英文關鍵字
accuracy
activity
analyzing
balance
black
bottle
bucket
chemical
chemist
chemistry
color
computer
consistence
container
dilute
dissolve
drip
education
equipment
experiment
glove
green
human
ink
laboratory
liquid
material
measuring
messy
mix
monitor
occupation
paint
palette
people
pour
preparation
prescription
professional
research
scale
solution
spill
technology
test
tin
weigh
weight
work