托福听力化学类讲座必考词汇

化学

Erode--Erosion

Rot

Decay

Decomposition

Rust

Limestone石灰石

Silicon硅

Crystal

Copper

Lead铅

Mercury水银

Nickle 镍

Sodium钠

Calcium钙

Oxygen氧气

Nitrogen氮

Gasoline

Petroleum

Hydrocarbon

Plastic

Molecule

Particle

Solution—solubility

Dissolve

Blend

Compound