总督岛是国家历史地标区，长期以来一直用于军事目的。

Governor's Island is a national historic landmark district long used for military purposes.

youdao

这项警告说，墓碑镇必需真实地介绍该镇的历史，否则就会失去其国家历史地标的称号。

National Park Service, which says Tombstone could lose its designation as a National Historic Landmark if it does not depict its past in a more accurate way.

youdao