noun🔗Share里程碑，重要事件。 A stone milepost (or by extension in other materials), one of a series of numbered markers placed along a road at regular intervals, typically at the side of the road or in a median."The old Roman road still had its milestones intact, each marking another mile traveled. "古老的罗马道路依然保存着完好的里程碑，每一块都标示着又行进了一英里。markplacehistoryChat with AIVocabulary GamePractice Reading
noun🔗Share里程碑，重大事件。 An important event in a person's life or career, in the history of a nation, in the life of some project, etc."Learning to read and write were important milestones in her early education. "学会读写是她早期教育生涯中的重要里程碑。achievementeventhistorytimestageChat with AIVocabulary GamePractice Reading
