Read Edit View history 里程碑 lǐchéngbēi HSK7 milestone Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 里程碑 · lǐchéngbēi · milestone 2026/03/04 里程碑 lǐchéngbēi milestone milestone 这项发现是科学史上的里程碑。 noun created sense Mar 4, 2026, 02:25 AM