Old medieval dungeons had trapdoors laid underneath stones.

早先中世纪地牢的石头地面下都有暗门。

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The degrees of medieval European universities has laid the foundation of degree system in modern ones and also reserved the tradition df esteeming knowledge, intellectual and scholarship.

欧洲中世纪大学的学位不但奠定了近代大学学位制度的基础，也使得尊重知识、尊重人才、尊重学术的传统能够延续至今！

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Second, a modern Cartesian grid is laid over these medieval routes.

其次一个现代的笛卡尔网格布局覆盖在中世纪道路上。

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This road leads to Woudsend, a medieval burg laid out between two windmills and a harbor.

WSJ: Four Days Through Friesland

Before the Communists came to power in 1949, travellers reported an eighth wonder of the world: a green if dusty city, largely unaltered from the medieval plan laid out under Kublai Khan and built upon by the Ming (1368-1644) and Qing (1644-1912) dynasties.

ECONOMIST: China��s Communist modernisers are wrecking the capital

In supposedly backward Medieval Europe the foundations were laid.

FORBES: Fact and Comment