甕城之門 的英文怎麼說
中文拼音 [wèngchéngzhīmén]
甕城之門
英文
la volta d'entrata al barbacano-
It was built in 1420 in the early ming dynasty and renovated in 1977. in the old days, watchtowers placed at regular intervals around the perimeter guarded the wall. the double gate system played an important role in repulsing enemy attacks
明清時期正陽門城樓與箭樓之間原有一個巨大的甕城,南端呈弧形抹角,箭樓坐落在頂端,甕城南北長108米,東西寬88米,內有空場,四向均有門。
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