VOA慢速英语:70年前的唱片公司改变了音乐产业

artifact - n. a simple object (such as a tool or weapon) that was made by people in the past

curator - n. a person who is in charge of the things in a museum, zoo, etc.

cylinder - n. a shape that has straight sides and two circular ends

groove - n. a long, narrow cut or low area in a surface

record - n. a flat, round disc on which sound or music is recorded

utility - n. the quality or state of being useful

vinyl - n. a plastic material that is used to make records, clothing, etc., and as a covering for floors, walls, furniture, etc

wax - n. a hard substance that becomes soft when it is heated and that is used to make various products