The major purpose of this study is to examine the effect of widowhood on health status of the community elderly;furthermore, to explore the time effect on health status of the widowed group.是什么意思_The major purpose of this study is to examine the effect of widowhood on health status of the community elderly;furthermore, to explore the time effect on health status of the widowed group.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句