Solid, Has its own shape, Does not flow easily, Particles are packed tightly together, Liquid, Takes the shape of its container, Particles move around but stay close, Gas, No definite shape, Spreads out to fill space, Particles move very fast and spread far apart

Solid, Liquid, Gas

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?