英文關鍵字
brush
chemical
chemist
chemistry
child
childhood
clean
container
experiment
face
girl
glass
glasstube
glassware
hold
human
indoor
inside
kid
lab
laboratory
liquid
little
mask
medical
medicine
motion
movement
one
person
pharmaceutical
practitioner
proof
protection
reagent
respirator
retort
safety
science
scientific
scientist
specimen
substance
table
test
testglass
testtube
tube
vial
wash