Keystone State

短语

na. 宾夕法尼亚州的浑名 [网络] 基石州；拱心石之州；磐石之州

词形变化

the Keystone State

释义与例句

name
  1. 1.

    Official nickname for Pennsylvania: a state of the United States.

词源

An allusion to its central position connecting the original northern and southern thirteen states of the United States, at the time of formation of the Constitution.

来源：wiktionary