里程碑

里程碑 [lǐ chéng bēi]

1. ■ milepost; bosom; milestone:

历史的里程碑 a milestone in history;

这部著作是现代科学发展史上著名的里程碑之一。 The book stands out as one of the notable landmarks in the progress of modern science.

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常用词组

1. ■ 里程碑状态 milestone state