[数] 指数曲线；幂数曲线

Without air, there would be no fire

Without air, there would be no fire. There would be no cars or trucks, since motors need air in order to work. Without air, there would be no wind or clouds. There would be no weather, as we know it.(

发表于:2018-12-01 / 阅读(123) / 评论(0)

自考英语（一）78讲

TED演讲:医学的未来?也许是手机上的一个应用程序(1)

A couple of years ago when I was attending the TED Conference in Long Beach, 几年前我参加在长滩TED会议的时候， I met Harriet. 我遇到了哈里特。 We'd actually met online before not the way you're thinking. 实际上我们以前在网

发表于:2019-01-03 / 阅读(45) / 评论(0)

TED演讲科学篇

麻省理工学院公开课：单变量微积分06：指数与对数函数导数、对数微分法

分集介绍：指数,log,对数微分;双曲函数 Exponential.and.log.Logarithmic.differentiation;.hyperbolic.functions

发表于:2019-01-05 / 阅读(336) / 评论(0)

麻省理工学院公开课：单变量微积分

英文歌曲：Britt Nicole - Who You Say You Are

Yeah, yeah. You know my name. I know You wrote my story-y-y. But there are days, I can't see a happy ending. No, no. Life get's hard. Sometimes it just hurts. It's kicking me down and throwing me curves. When I feel the rain. I won't be afraid. 'Caus

发表于:2019-01-14 / 阅读(71) / 评论(0)

节奏布鲁斯

阳光在头顶，幸福在身边

1. Having more joy does not necessarily require a life overhaulyou may just need to create more space in your life for moments of joy. 1. 生活中要有更多乐趣不一定要大改生活方式你只需要在生活中多留点时间给娱乐就行。

发表于:2019-02-06 / 阅读(70) / 评论(0)

英语美文

双语美文：让昨日随风

On Saturday, February 12 two thousand, two things happened that changed everything in my life. The first was that on this day my baby sister was married. She was twenty-six this day, and yet to me she was still my baby sister. I suppose that I pictur

发表于:2019-02-18 / 阅读(78) / 评论(0)

英语美文

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automatic pilot channel

average speed of air

Bad excuse is worse than none at all .

bifurcate cyme

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