circa [ˈsɜ:rkə]

例句:

• The story tells of a runaway slave girl in Louisiana, circa 1850.
  故事大约发生在1850年，讲的是路易斯安那州一个逃跑的年轻女奴。
  
• born circa 150 BC
  生于约公元前150年
  
• Circa WWII, physicians made about what engineers made.
  来自SA
• The woman had been pecking at on Underwood typewriter circa 1950.
  这位妇女正敲击着一台一九五○年左右出厂的安德伍德牌打字机.
  
• Some of it sounded like Metallica, some of it like David Bowie circa The Man Who Sold the World.
  来自BBC
• Meanwhile, The Ring has wonky keyboards that naturally remind you of Stevie Wonder circa Innervisions.
  来自BBC