书籍 English Result - 初中级 - 8 - 8B 单元

a substance from which things can be made

the outer form or edges of something or someone

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

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

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

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

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

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

having a circular shape, often spherical in appearance

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

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

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

having opposite sides or surfaces that are close together