學個詞 Learn A Word:1899?first-born

　　今天我們要學的詞是 first-born. First-born 名詞，意思是頭胎生的孩子，老大。Time and again, research has shown that first-born children are better at a lot of things than their younger siblings. 各種研究多次顯示，頭胎孩子在很多事情上都要比弟弟妹妹強。Half of U.S. Presidents are first-born children. 美國總統(tǒng)里有一半都是家里的老大。最近一項研究的作者說，First-born kids get better grades in school because their parents are stricter with them than later-born children. 家里老大學習成績更好是因為家長對老大的要求比后面的孩子更加嚴格。好的，今天我們學習的詞是 first-born, first-born, first-born....