isthmus [ˈɪsməs]

例句:

• This large indentation cuts well into the land area of the Isthmus of Panama.
  来自UNESCO
• North America is connected with South America by the Isthmus of Panama.
  巴拿马海峡把北美同南美连接起来.
  
• The north and south of the island are linked by a narrow isthmus.
  岛的北部和南部由一条狭窄的地峡相连.
  
• It was the neck of land which we call the Isthmus of Panama.
  这个陆地的狭窄地带,我们称之为巴拿马地峡.
  
• Panama signs treaty with US allowing it to build a railway across the isthmus.
  来自BBC
• On either side of the isthmus was a port one military and one commercial.
  来自THETIMES