un. 击穿电压
[网络] 闪络电压；闪路电压

OA标准英语2009年-African leaders Renew Call for Binding

On the final day of UN climate talks in Copenhagen, African leaders have renewed calls for a legally binding deal to fight climate change. Selah Hennessy | London 18 December 2009 Photo: AFP Sweden's PM Fredrik Reinfeldt (L), European Commission chie

发表于:2019-01-13 / 阅读(61) / 评论(0)

VOA标准英语2009年(十二月)

2006年VOA标准英语-An Ancient Genetic Disorder Gets Modern Day Att

By Melinda Smith Baltimore, Maryland 05 September 2006 watch report Celiac Disease For thousands of years, human beings have suffered from a genetic disorder that has received attention only in the last few decades. The disorder is called celiac dis

发表于:2019-01-26 / 阅读(133) / 评论(0)

2006年VOA标准英语（九月）

经济学人120:癌症与肥胖恶性松弛

Science and Technology Cancer and obesity Malignant flab 科技癌症与肥胖恶性松弛 At last, an understanding of how overeating causes cancer 吃得过多如何导致癌症 OVERWEIGHT women are more likely to develop breast cancer than lean

发表于:2019-01-26 / 阅读(42) / 评论(0)

经济学人科技系列

VOA常速英语2008年-India Rejects Binding Committment to Cut Greenh

By Anjana Pasricha New Delhi 07 February 2008 India is sticking its position that it cannot make any binding commitments on reducing greenhouse gas emissions. Anjana Pasricha reports on an international conference on sustainable development being hel

发表于:2019-01-31 / 阅读(42) / 评论(0)

VOA常速英语2008年（二月）

全球首例男同性恋三人婚礼

Three gay men from Thailand have tied the knot in what is thought to be the world's first three-way same-sex marriage. 泰国三名男同性恋日前喜结连理，被认为是全球首例同性三人婚姻。 Happy newlyweds Joke, 29, Bell, 21 and A

发表于:2019-02-01 / 阅读(92) / 评论(0)

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VOA标准英语2009年-Kenya Party Calls for Renegotiation of Power-Sh

In the latest sign of the divisions within Kenya's governing coalition, the country's largest party says the power-sharing agreement binding the two main political factions together should be renegotiated. Kenya's President Mwai Kibaki (l) and oppos

发表于:2019-02-12 / 阅读(48) / 评论(0)

VOA标准英语2009年(三月)

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学英语单词

4-tert-butyltoluene

accusatio

acute accent

annuity certain and life