[数] 有向切线

It's been tried all over the world, and teachers sort of stand back and say, It just happens by itself? 在世界各地尝试过,老师们后退着说:它就这么自己发生了? And I said, Yeah, it happens by itself.How did you know that? 我说

发表于:2018-12-19 / 阅读(46) / 评论(0) 分类 TED演讲教育篇

It sucks. In certain circumstances, it might be the right thing to pull a talk. 这真不怎么样。有时候,要求取消某个讲话的理由是正确的 But it seems most of the time its overreactions by security vendors who dont understand. It

发表于:2018-12-28 / 阅读(37) / 评论(0) 分类 创业成功人士访谈录

How many times have you heard the expression that most people spend more time planning their vacation than they do planning their lives. I would expand that expression by adding that most people spend more time thinking about their vacation than they

发表于:2019-01-06 / 阅读(34) / 评论(0) 分类 阅读空间

AS much as we love our digital devices, many of us have an uneasy sense that they are destroying our attention spans. We skitter from app to app, seldom alighting for long. Our ability to concentrate is shot, right? 我们喜爱我们的数码设备,

发表于:2019-01-30 / 阅读(45) / 评论(0) 分类 阅读空间

LAGOS, Jan. 28 (Xinhua) -- The Nigerian government on Wednesday confirmed the outbreak of bird flu in 11 states. Minister of Agriculture and Rural Development Akinwumi Adesina made the disclosure at an emergency meeting on Avian Influenza with state

发表于:2019-02-17 / 阅读(45) / 评论(0) 分类 英语新闻

The morning following the birth of our first child, my husband was mistakenly directed to the room of another new mother on the maternity floor. As he walked into the room, he bent over the nap- ping mother, whose back was turned to him, and gave her

发表于:2019-02-19 / 阅读(48) / 评论(0) 分类 趣味英语