名詞 bellwether:

1. someone who assumes leadership of a movement or activity
2. sheep that leads the herd often wearing a bell

bell.weth.er

n.（名詞）
One that serves as a leader or as a leading indicator of future trends:
首領(lǐng)，先兆：作為領(lǐng)導(dǎo)者或?qū)ξ磥?lái)趨勢(shì)作出指示者的人或事：
例句：
.The degree to which the paper is censored is a political bellwether.(Justine De Lacy)
.對(duì)報(bào)紙審查的程度是一個(gè)政治預(yù)兆.(朱斯蒂娜·德·萊西)

來(lái)源：
Middle English bellewether [wether with a bell hung from its neck, leader of the flock]
中古英語(yǔ) bellewether [脖子上掛著鈴的閹羊，群首]
belle [bell] * see bell
belle [鈴] *參見(jiàn) bell
wether [wether] * see wether
wether [閹羊] *參見(jiàn) wether