书籍 English Result - 初中级 - 8 - 8B 单元

a substance from which things can be made

材料

the outer form or edges of something or someone

形状

the hard material that the trunk and branches of a tree or shrub are made of, used for fuel or timber

木

a usually solid and hard substance that heat and electricity can move through, such as gold, iron, etc.

金属

material used for making clothes, which is made by knitting or weaving silk, cotton, etc.

布

made or consisting of plastic, a substance produced in a chemical process

塑料

a hard material that is often clear and is used for making windows, bottles, etc.

玻璃

a thick and stiff type of paper material that is often used for packaging and making boxes

纸板

a set of dishes, typically made of porcelain or ceramic, used for serving and eating food

瓷器

having a circular shape, often spherical in appearance

圆形的

(of a surface) continuing in a straight line with no raised or low parts

平坦的

a shape with four equal straight sides and four right angles, each measuring 90°

广场

(of two points) having an above-average distance between them

长的

having opposite sides or surfaces that are close together

薄（物体）