The effect was first noted in 1858 by William Farr, who wrote that widows and widowers (鳏夫) were at a much higher risk of dying than their married peers.
出自-2010年12月阅读原文
柯林斯高阶英汉双解学习词典释义
N-COUNT
寡妇;遗孀
A widow is a woman whose husband has died and who has not married again.