科帕伏古

Ameenah Gurib-Fakim:小植物有大学问

在这个有趣演讲中，生物学家Ameenah Gurib-Fakim介绍了在孤岛和非洲大陆上的稀有植物。其中包括变形树，或许能治疗哮喘的小岛香油膏，以及能解决未来食品危机的猴面包树和猴苹果

发表于:2018-12-09 / 阅读(183) / 评论(0)

TED公开课:生态谜云

Koln and the Rhine River 科隆古城

Goods flowed down this riverway from France and Switzerland on their way to the sea for transshipment all over Europe. Nobles along the way collected tolls, but big profits could still be made by whol

发表于:2019-01-02 / 阅读(102) / 评论(0)

其他文化

EXPLORATIONS - Keiko the Whale

EXPLORATIONS - November 27, 2002: Keiko the Whale By Jerilyn Watson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we te

发表于:2019-01-02 / 阅读(81) / 评论(0)

Explorations

EXPLORATIONS - Koshland Science Museum

EXPLORATIONS - Koshland Science Museum By Broadcast: Wednesday, March 02, 2005 (MUSIC) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Faith Lapidus with the VOA Special English program EXPLORATIONS. T

发表于:2019-01-10 / 阅读(283) / 评论(0)

Explorations

VOA常速英语2007年-World Loses Many Well-Known International Figur

By Barry Unger Washington 14 December 2007 The year 2007 saw the passing of many well-known international figures who left a lasting impression. VOA's Barry Unger takes a look back at some of these people. Jim Bertel narrates. Former Russian Presiden

发表于:2019-02-04 / 阅读(56) / 评论(0)

VOA常速英语2007年（十二月）

VOA标准英语10月-UN General Assembly to Ask ICJ for Ruling on Koso

The U.N. General Assembly has voted to ask the International Court of Justice to give an advisory opinion on whether Kosovo's declaration of independence from Serbia earlier this year conforms to international law. From United Nation's headquarters

发表于:2019-02-04 / 阅读(61) / 评论(0)

VOA标准英语2008年（十月）

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ayeyarwady (irrawaddy) r.

baryta felspar

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buffered filter paper

calandra lark