VOA标准英语2012--Common Infection Raises Female to Male HIV Risk

Common Infection Raises Female to Male HIV Risk A common bacterial infection among women in sub-Saharan Africa sharply increases the risk of HIV transmission to men. Researchers say current treatments provide only a short-term solution. Its long been

美国有线新闻 CNN 美国食物垃圾占供应量40% 新技术将垃圾变为电力

AZUZ: According to the United Nations, food waste is defined as food that's initial safe for people to eat, but it doesn't get eaten because it's left to spoil or it's thrown out. The U.S. government estimates that food waste in America could be as h

60秒科学:多细胞生物不需要氧气

As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new onethe discovery of the first multicellular animals that survive and reproduce entirely without ox

专业术语—口腔生理学术语A3(英文详解)

Apatites- a family of calcium phosphate salts which are found in hard tissues like bone, teeth and shells. Apoptosis - death of a cell which is programmed by a set of specific genes. Apoptosis of chon

专业术语—口腔生理学术语A2(英文详解)

Ameloblasts- cells which differentiate from ectoderm and secrete enamel during tooth development. Amino acids - building blocks of proteins containing a carboxyl group (COOH) and an amino group(NH2) b

专业术语—口腔生理学术语A1(英文详解)

Abductors - muscle taking a limb or the jaw away from the body. Acetyl choline - Aneurotransmitter substance found at all cholinergic synapses including those of motoneurones at the neuromuscular junc

SSS 2010-04-09

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

食品方面的词汇

A acceptable daily intake (ADI) 每人每日容许摄入量 acclimatization 气候适应 accumulate 蓄积 acetylandromedol 乙酰柽木醇毒 acceptable risk level 可接受的危险水平 acid-forming food 成酸性食品 Achromobacterium 无色菌属 Act for preventing the adulterati

VOA慢速英语2015 巴勒斯坦人将有机废物转化成天然气做饭

AS IT IS 2015-09-18 Palestinians Turn Organic Waste into Gas for Cooking 巴勒斯坦人将有机废物转化成天然气做饭 Rural communities in developing countries often have trouble securing dependable supplies ofenergy for cooking and lightin

女性为何会加入“伊斯兰国”?

AS IT IS 2016-04-06 Why Do Women Join Islamic State? 女性为何会加入伊斯兰国? Jaelyn Young seemed both excited and frightened about what her life would be like when she joined the Islamic State in Syria. Twenty-year-old Young is a former hi

英国生态公交车用大便做燃料

Britain's first bus powered by human waste has taken to the streets. 近日，英国首辆靠人类粪便供能的新型环保巴士正式上路。 The 40-seater 'Bio-Bus' is fuelled by biomethane gas, generated by the treatment of sewage and food wa

卢森堡提前举行立法选举

LUXEMBOURG, Oct. 20 (Xinhua) -- Luxembourg went to the polls on Sunday in a snap election after Jean-Claude Juncker, the prime minister of Luxembourg for the past 18 years, had resigned over a spying scandal in July. In spite of the scandal, Juncker

经济学人:投资者:谨慎责无旁贷(1)

Finance and Economics 财经 Buttonwood: Investor Caution Obligatory 梧桐树专栏：投资者，谨慎责无旁贷 A new craze attracts the attention of regulators 一场新的狂热引起监管者的关注 Here is the deal. 有这样一笔买卖。

万物简史 第424期:生命的起源(18)

Even we can tolerate it only up to a point. 连我们对氧的耐受力也是有限度的。 The oxygen level in our cells is only about a tenth the level found in the atmosphere. 我们细胞里的氧气浓度，只有大气里的大约十分之一。

万物简史 第423期:生命的起源(17)

Anniversaries were few and far between in the Archaean world. 在太古代的世界里，结婚周年纪念日是完全没有的。 For two billion years bacterial organisms were the only forms of life. 在20亿年时间里，细菌是惟一的生命形

China strives to reduce air pollutants

BEIJING, Feb. 5 (Xinhua) -- China will make more efforts to reduce PM 2.5 pollutants, as well as other pollutants, a government official said Tuesday. A national obligatory target will be set to limit PM 2.5 emission, which is a fine particulate matt

托福听力叫你重新做人

托福听力叫你重新做人!托福听力贯穿口语、写作、听力这三个部分，很多同学们已经备托福听力折磨的遍体鳞伤，针对这样的情况，老师给出了关于托福听力复习策略的详细解读。 多少少男少

经济学人331:运动员的表现

Science and technology 科学技术 Athletic performance 运动员的表现 Faster, higher, no longer 更快，更高已成往事 Is it time to update the Olympic credo? 是时候更改奥运会信条了？ ON AUGUST 5th millions of people will watch

经济学人:四条腿朋友的代价 粪量变能源

United States: Pet waste A crap-shoot 美国：宠物粪便，从粪便里发出的新芽 The city ponders a plan to make power from puppy poop. 在宠物粪便中提取能源，该市构建着一幅如此蓝图。 Dogs, unlike people, are capable of

比较难以记住的GRE词汇

比较难以记住的GRE词汇 holistic 全面的，从整体着眼的 virtually almost virtual in fact mucus 粘液 by virtue of 由于 shrank 缩小，shrink 的过分 pool 集中备用的工人、钱或物资 syntax 句法，句子构造 grid grat