VOA慢速英语:科学家解开巨石阵之谜

monument – n. a building or place that is important because of when it was built or because of something in history that happened there

journal – n. a magazine that reports on things of special interest to a group of people

drag – v. to pull (someone or something that is heavy or difficult to move)

roller – n. a part that rolls and is used to move, press, shape, spread, or smooth something

route – n. a part that rolls and is used to move, press, shape or spread something

core sample – n. a small part of a larger formation