[, ]sth that helps you to see what will happen in the future先兆◆London house prices are seen as a bellwether of consumer confidence.伦敦的房价被看作是预示消费者信心的指标。◆The company is a bellwether of global industrial trends.这家公司是全球产业趋势的风向标。 () especially in the US, a share, bond, etc. whose changes in price are a good guide to what will happen to the prices of other shares, bonds, etc.领头证券，龙头证券（尤指在美国，从某种股票、债券等的价格变化便可大概知道其他股票、债券价格的变化）◆Technology bellwether Sony rose 7.2% to 6 420 yen.科技龙头股索尼上扬 7.2% 达到 6420 日元。◆a bellwether stock领头证券；龙头证券