掌握英语发音 第一章 第三节

[00:00.00][s],[ ][ ] [00:38.61]sea/sheet/chicken [00:42.66]Exercise One: Word Conparison [00:47.62]Listen to the following words from your tape and repeat. [00:52.98]sip ship sane shane watched washed [01:01.23]lass lash least leashed chin [01:09.09]

VOA标准英语2012--Poverty Source of Tropical Infections in Texas, Gulf of Mexico

Poverty Source of Tropical Infections in Texas, Gulf of Mexico Chagas is an infectious disease transmitted by the kissing bug. The kissing bug looks a little bit like a cockroach but it has the ability to feed on blood and it lives in the very poor q

365个英语简短小故事-335. The Vacuum Cleaner Filter(2)

But the HEPA filter for Olivers Vibe got dirty very quickly. And, it was not cleanableit was simply replaceable. When it turned filthy brown, Oliver went back to Target to buy a new filter. Oddly, Target sold the F15 belt for the Vibe, but not the fi

VOA常速英语2016--中和抗体有望助力艾滋病疫苗研制

中和抗体有望助力艾滋病疫苗研制 Researchers say powerful antibodies may hold clues to developing an effective AIDS vaccine.The antibodies were isolated from individuals already infected with HIV. Dr. Wayne Koff saysthe goal is to find a

VOA双语新闻：印尼总统把经济列为头等大事

During his first term in office, Indonesian President Susilo Bambang Yudhoyono oversaw a period of robust economic growth based on exports. This year exports have slowed as a result of the global recession. As the president gets set to begin his seco

Indian Scientists Invent Nose Filter to Protect Against Air Pollution

From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a

SSS 2010-11-15

This is Scientific Americans 60-Second Science. Im Cynthia Graber. Thisll just take a minute. Heres a strange tale of two previously unrelated food products. First: chitlins, that delicacy of fried pig large intestines. Theyre well-loved throughout t

VOA慢速英语2013 流感病毒瓦解免疫系统的第一道防线

Flu Virus Disarms Immune System's First Responders 流感病毒瓦解免疫系统的第一道防线 From VOA Learning English, this is the Health Report. 这里是美国之音慢速英语健康报道。 Infection by the influenza virus may be more co

VOA标准英语2011--Scientists Gather for AIDS Vaccine 2011

Scientists Gather for AIDS Vaccine 2011 The largest conference on AIDS vaccine development is being held in Bangkok, Thailand FROM September 12th to the 15th. Researchers will discuss how to build on recent advances in a time of tight budgets. Organi

VOA标准英语2011--New Yellow Fever Vaccine Shows Promise

New Yellow Fever Vaccine Shows Promise A new vaccine for yellow fever is showing good results in tests as it overcomes one of the biggest problems with the current version. Yellow fever is a deadly disease that occurs in much of South America and sub

VOA标准英语2011--Potent Antibodies Offer New AIDS Vaccine

Potent Antibodies Offer New AIDS Vaccine Design Researchers say powerful antibodies may hold clues to developing an effective AIDS vaccine. The antibodies were isolated from individuals already infected with HIV. Dr. Wayne Koff says the goal is to fi

闭着眼睛飘单词 四级词汇25

[0:0]feedback female fertile fertilizer反馈,反馈信息 雌的,女性的 肥沃的,富饶的 肥料 [1:25.7254]festival fiber fiction fierce节日,喜庆日 纤维 小说 凶猛的,残酷的 [2:12.0330]file filter finally finance档案,文件 过滤器,过滤咀 最后,终于 财政,金融 [3:1.05

VOA双语新闻：8、美国准备销毁叙利亚化学武器

美国准备销毁叙利亚化学武器 The U.S. Defense Department is preparing to test a system it plans to use to destroy Syria's chemical weapons stockpiles at sea. Officials are offering reassurances that the process will be safe. 美国国防部正

VOA标准英语2009年-Indonesian President Sets Economic Priorit

During his first term in office, Indonesian President Susilo Bambang Yudhoyono oversaw a period of robust economic growth based on exports. This year exports have slowed as a result of the global recession. As the president gets set to begin his sec

2007年VOA标准英语-Water Filter Wins Developer Engineering Prize

By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica

你们的恋爱关系健康吗？

1. You don't have to see each other every day. 你们不必每天都见面。 If you can, then why not? But you don't have to nag each other about you or your partner coming over just because you haven't seen a glimpse of each other for the day (yet)

VOA标准英语2010年-Israel Calls for 'Crippling' Sanctions

Israel has issued a stern warning after Iran said it had begun making a higher-grade nuclear fuel. Israeli Prime Minister Benjamin Netanyahu says Iran's intentions are clear. Iran is racing forward to produce nuclear weapons in brazen defiance of the

万物简史 第203期:威力巨大的原子(17)

Meanwhile the tireless Rutherford, now back at Cambridge as J. J. Thomson's successor as head of the Cavendish Laboratory, came up with a model that explained why the nuclei didn't blow up. He saw that they must be offset by some type of neutralizing

【英语时差8,16】疫苗如何运作-上

When a virus enters your body, your body has to recognize it then produce a protein called an antibody. These antibodies attached to the virus and neutralize it. However, in the time it takes your body to produce enough antibodies, the virus may have

Good-bye My Fancy

Good-bye my Fancy! Farewell dear mate,dear love! I'm going away,I know not where, Or to what fortune, or whether I may ever see you again, So Good-bye my Fancy. Now for my last-let me look back a moment; The slower fainter ticking of the clock is in