學(xué)個(gè)詞 Learn A Word:1976?Index

今天我們要學(xué)的詞是 Index. Index 的意思是指數(shù) 。 The U.S. consumer confidence index dipped in February. 美國消費(fèi)者信心指數(shù)在二月份下滑。 Beijing issued its first orange pollution alert when its air quality index readings went above 300. 大氣質(zhì)量指數(shù)突破300后，北京首次發(fā)布了橙色污染警報(bào)。 A new study reveals that a "body shape index" is a more accurate predictor of mortality than "body mass index." 一項(xiàng)新研究發(fā)現(xiàn)，“體形指數(shù)”能比“身體質(zhì)量指數(shù)”更準(zhǔn)確地預(yù)測死亡率。好的，今天我們學(xué)習(xí)的詞是 index, index, index…