일반 교육 IELTS (5 밴드 이하) - 재료

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

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

a non-metallic, inorganic material that is typically made from clay, minerals, and other raw materials

originating from or created by nature, not made or caused by humans

a hard material, usually made of minerals, and often used for building things

strong material made from animal skin and used for making clothes, bags, shoes, etc.

the thin sheets on which one can write, draw, or print things, also used as wrapping material

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

made of a hard material that forms the branches and trunks of trees

made of or related to wool

soft and white material that comes from a plant called cotton and is used to make clothing

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a tough synthetic fiber that is light and elastic, used in textile industry

a shiny grayish-white metal of high value that heat and electricity can move through it and is used in jewelry making, electronics, etc.

a valuable yellow-colored metal that is used for making jewelry