bellwether [ˈbɛlwɛˌðɚ]

例句:

• University campuses are often the bellwether of change.
  大学校园往往引领变革的新潮。
  
• For decades the company was the bellwether of the British economy.
  几十年来，这家公司一直是英国经济的晴雨表。
  
• IBM is considered the bellwether stock on Wall Street.
  国际商用机器公司的股票行情被视为华尔街股市的风向标。
  
• In adulthood, Mr. Wiman established himself as a bellwether poet and critic.
  来自WSJ
• Swiss watch exports are a bellwether for the spending of multimillionaires and billionaires.
  来自THETIMES
• There was this huge group, this bellwether group that was sitting there.
  来自NEWYORKER