托福必备常用词汇之化学

caustic

erosion

erode

stale

rot

rotten

decay

corrode

decomposition

rust

silica

limestone

crystal

gasoline

methane

hydrocarbon

petroleum

plastic

intermediary

catalysis

catalyst

adhesive

scorch

bleach

tint

dye

chemistry

biochemistry

hydroid

alchemy

artificial

ion

molecule

solubility