单词：well-winnowed
[网络] 风净
单词：well-winnowed 相关文章
People are living longer 人们现在越活越久 and societies are getting grayer. 社会也逐渐变得老龄化 You hear about it all the time. 你可能总是听到别人这么说 You read about it in your newspapers. 你也从报纸上如是读到
发表于:2019-02-14 / 阅读(29) / 评论(0)
TED演讲科学篇
TED演讲科学篇