音标：[lep'tɔnik] ；

a. [物]轻子的,产生轻子的

VOA慢速英语2015 土地用途的改变可能会增加灾祸的发生

AS IT IS 2015-03-31 Land-Use Changes May Increase Risk of Plague 土地用途的改变可能会增加灾祸的发生 Conversion of forests to agricultural use create habitats for small rats that carry disease such as plague. (Photo by Douglas McCaule

发表于:2018-12-16 / 阅读(189) / 评论(0)

2015年VOA慢速英语(四)月

VOA慢速英语2015 黑死病比我们想象的要更早

Black Death Older Than We Thought 黑死病比我们想象的要更早 From VOA Learning English, this is the Health Lifestyle report. 这里是美国之音慢速英语健康和生活方式报道。 For most, the word plague creates horrible images i

发表于:2018-12-16 / 阅读(194) / 评论(0)

2015年VOA慢速英语(十一)月

VOA慢速英语2014 世界卫生组织:瘟疫可能在马达加斯加蔓延

WHO: Plague in Madagascar Could Spread 世界卫生组织:瘟疫可能在马达加斯加蔓延 From VOA Learning English, this is the Health Report. For much of 2014, health officials around the world have been guarding against Ebola virus. There is

发表于:2018-12-16 / 阅读(206) / 评论(0)

2014年VOA慢速英语(十二)月

英闻天下——477 Risk of H7N9 Epidemic Low Given Current Evidence

Two new cases of H7N9 Avian Influenza were reported in Zhejiang yesterday. One of those infected has reportedly already died. Meanwhile, hospital sources in Jiangsu are reporting the five patients confirmed to be infected in that province are not sho

发表于:2018-12-19 / 阅读(225) / 评论(0)

英闻天下

英闻天下——543 Risk of H7N9 Epidemic Low Given Current Evidence

发表于:2018-12-19 / 阅读(198) / 评论(0)

英闻天下

ENVIRONMENT REPORT - Chronic Wasting Disease in Animals in U

ENVIRONMENT REPORT - September 27, 2002: Chronic Wasting Disease in Animals in U.S. By Mario Ritter This is the VOA Special English ENVIRONMENT REPORT. Chronic wasting disease is infecting large anima

发表于:2019-01-02 / 阅读(276) / 评论(0)

健康与环境

世卫组织宣布在刚果民主共和国肺炎造成至少60人死亡

WHO: Pneumonic Plague Kills at Least 60 in DR Congo 世卫组织宣布在刚果民主共和国肺炎造成至少60人死亡 The World Health Organization (WHO) says it is sending an emergency team of

发表于:2019-01-03 / 阅读(561) / 评论(0)

VOA2005（上）--环境科学探索

VOA慢速英语2010年-THIS IS AMERICA - A Student Orchestra

BARBARA KLEIN: Welcome to THIS IS AMERICA in VOA Special English. I'm Barbara Klein. STEVE EMBER: And I'm Steve Ember. This week on our program, we look at musical diplomacy, past and present. And we talk to an actor whose most recent role came from

发表于:2019-01-11 / 阅读(297) / 评论(0)

2010年VOA慢速英语(六)月

英语单词大师：Memory Improvement

AA: Im Avi Arditti with Rosanne Skirble, and this week on WORDMASTER 鈥?some ways to help you improve your memory. ELDH: We dont forget, we just havent learned it in the first place.RS: Thats Wendi Eldh. Shes a communications trainer who teaches mem

发表于:2019-01-18 / 阅读(251) / 评论(0)

英语单词大师-Word Master

英语单词大师：Lost for Words

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER some ways to help you improve your memory. ELDH: We don't forget, we just haven't learned it in the first place. RS: That's Wendi Eldh. She's a communications trainer who teaches m

发表于:2019-01-18 / 阅读(220) / 评论(0)

英语单词大师-Word Master

英语单词大师：improve memory

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: some ways to help you improve your memory. ELDH: We don't forget, we just haven't learned it in the first place.RS: That's Wendi Eldh. She's a communications trainer who teaches m

发表于:2019-01-18 / 阅读(260) / 评论(0)

英语单词大师-Word Master

词汇大师-- Lost for Words?

发表于:2019-01-25 / 阅读(221) / 评论(0)

词汇大师(Wordmaster)

联合国报道称刚果流行病毒爆发与环境有关

UN Report Links Infectious Disease Outbreak in Congo to Environment 联合国报道称刚果流行病毒爆发与环境有关 A United Nations' environment official Monday said the recent outbreak of

发表于:2019-01-30 / 阅读(206) / 评论(0)

VOA2005（上）--环境科学探索

HEALTH REPORT - Plague Outbreak in Eastern Congo

HEALTH REPORT - Plague Outbreak in Eastern Congo By Cynthia Kirk Broadcast: Wednesday, March 02, 2005 I'm Gwen Outen the VOA Special English Health Report. Plague is an ancient disease that can be tre

发表于:2019-01-30 / 阅读(376) / 评论(0)

健康与经济

Chronic diseases top killer in China

BEIJING, May 30 (Xinhuanet) -- Chronic diseases, including heart disease, stroke, cancer, chronic respiratory diseases and diabetes, are the leading cause of mortality in China, representing 85 percent of all deaths, said a senior health official. Ko

发表于:2019-02-07 / 阅读(257) / 评论(0)

英语新闻

学个词Learn a Word 第990期 Chronic

今天我们要学的词是chronic。 Chronic, 长期的，慢性的。在美国， Some 40 million Americans suffer from chronic sleep problems, 大约有四千万美国人睡眠长期有问题。很多美国人都患有糖尿病、高血脂、高血压

发表于:2019-02-07 / 阅读(255) / 评论(0)

英语单词荟萃

英语单词大师：Lost for Words? Here Are Some

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER some ways to help you improve your memory. ELDH: We don't forget, we just haven't learned it in the first place.RS: That's Wendi Eldh. She's a communications trainer who teaches me

发表于:2019-02-14 / 阅读(330) / 评论(0)

英语单词大师-Word Master

Western Australia bans new synthetic cannabis

SYDNEY, Aug. 5 (Xinhua) -- The Western Australian Government announced on Friday that 14 new substances linked to the manufacture of the synthetic drug Kronic would be banned from Friday midnight. The State Mental Health Minister Helen Morton told th

发表于:2019-02-19 / 阅读(242) / 评论(0)

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adenosinediphosphatase

antimono-

approved subordinated loan