science
加入词篮scientific
scientist
experiment
electronic
atom
energy
matter
material
heat
radiation
radioactive
split
move
movement
moving
mobile
roll
spin
turn
stable
steady
still
yet
already
however
although
though
vapour
steam
solid
liquid
gravity
accelerate
slow
slowly
rate
flexible
spring
shrink
shrank
shrunk
shrunken
light
ray
X-ray
reflect
focus
quake
wave
period
microwave
potential
conductor
conduct
pressure
stress
friction
mass
keep
kept
stay
ecology
variety
rare
energy
power
pure
environment
environmental
preserve
conservation
protect
protection
wildlife
pollute
pollution
recycle
acute
lead
smog
waste
native
evolution
primitive
civilization
civilization
culture
self-respect
respect
fierce
spear
bow
arrow
stick
origin
tradition
