求翻译：　　圣马可广场和圣马可教堂是威尼斯最著名的名胜古迹之一。圣马可广场东西长170多米，东边宽80米，西边宽55米，总面积约1万平方米左右。是什么意思？

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St. Mark's Square and St. Mark's Church, Venice's most famous sites and monuments. St. Mark's Square things more than 170 meters long, 80 meters wide, to the West East 55 meters wide, and has a total area of about 10,000 square meters.

　　The saint Mark square and the saint Mark church are one of Venice most famous scenic spot and historic resort.Saint Mark square thing long more than 170 rice, east side width 80 meters, west side width 55 meters, about total area approximately 10,000 square meters.

　　Church of the Saint's square and St is one of Venice's most famous monuments. Saint's square things more than 170 metres long, the Eastern 80 meters wide, West of 55 meters wide, with a total area of about 10,000 square meters.

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