Solid - you can hold with firm shape: Lego brick, Rock or stone, crayon, Book, Liquid - something that flows and can be poured: Water, Juice, Milk, Paint, Gas - invisible and fills the air around us: Air, steam, helium gas, Breath,

Classifying Materials

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？