加权形式指数

Pavan Sukhdev: 自然资源也有价

我们每天都不假思索地免费使用地球上的资源。如果我们必须为此支付一定款项，我们是不是会更珍惜这些资源并减少浪费呢？作为一个大自然的银行家，Pavan Sukhdev为地球上的资源估了价。启

发表于:2019-01-05 / 阅读(63) / 评论(0)

TED公开课:环境重造计划

ios9发布：看看第九代苹果操作系统增添哪些新功能

With iOS 9, you'll need a lot less free space on your phone to be able to install the upgrade. Now one may argue that running iOS 9 on an older device (like an iPhone 4S), isn't going to lead to a great experience and that person would have a point.

发表于:2019-01-08 / 阅读(84) / 评论(0)

实用英语

ios9发布：多了哪些天花乱坠的新功能？

发表于:2019-02-06 / 阅读(59) / 评论(0)

阅读空间

Kazakhstan has 17,266 registered HIV carriers

ALMATY, Nov. 4 (Xinhua) -- Kazakhstan's Center for Prevention and Control of AIDS said Friday that the country had 17,266 registered HIV carriers as of Oct. 1,compared with 15,908 as of Feb. 1, 2010. Of the HIV-positive people, 1,432 were diagnosed w

发表于:2019-02-07 / 阅读(63) / 评论(0)

英语新闻

Makhloufi 'recovers' to claim 1500 meters win

LONDON, Aug. 7 (Xinhua) -- Algeria's Taoufik Makhloufi produced a stunning last 300 meters to be proclaimed Olympic 1,500 meter champion on Tuesday night. Makhoufi finished ahead of Leonel Manzano of the USA and Morocco's Abdaali Iguider and deserved

发表于:2019-02-09 / 阅读(85) / 评论(0)

英语新闻

Khizr Khan Says He Would Live This Week A 'Hundred Million Times' Over

Khizr Khan Says He Would Live This Week A 'Hundred Million Times' Over KELLY MCEVERS, HOST: Khizr Khan can't go anywhere without being noticed. People hold doors for him, cry when they see him, even jump out of cars to hug him. He became known around

发表于:2019-02-13 / 阅读(176) / 评论(0)

2016年NPR美国国家公共电台8月

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automated office environment