年长同胞 meaning in English

older sibling

The new research shows that it is social birth order ? and not actual birth order ? that really matters : a person whose older sibling died at a young age generally has a 2 . 3 point higher iq score than other second - born indiiduals
新的研究指出:其实质是社会出生排序,非实际上的出生排序;一个第二胎出生的人其年长同胞兄姐早年死后,其通常要比其他那些第二胎出生的个人智商高2 . 3分