Broadcast: Jan 21, 2003 By Gary Garriott Drying food is a simple, low-cost way to keep food safe for eating. Drying removes water that small organisms use to break down food into other substances. Som

发表于:2019-01-02 / 阅读(67) / 评论(0) 分类 VOA2003(上)-社会广角

By Larry London Washington, D.C. 16 February 2007 watch RJA report Their name means nothing at all, but is instantly memorable. Their sound mixes heavy metal guitar with danceable beats of pop punk, and is instantly recognizable. Florida rockers Red

发表于:2019-01-12 / 阅读(101) / 评论(0) 分类 2007年VOA标准英语(二月)

The selfie stick didn't always look like this. The original patent was filed all the way back in 1984, before cell phones were ubiquitous. Before the word selfie was even coined, let alone in the dictionary. The first selfie stick was neither as eleg

发表于:2019-02-04 / 阅读(39) / 评论(0) 分类 阅读空间

HARBIN, March 2 (Xinhua) -- A therapeutic(治疗的) apparatus to treat Parkinson's disease has been developed in northeast China's Heilongjiang Province, according to the provincial science and technology department. It is a worldwide breakthrough i

发表于:2019-02-06 / 阅读(72) / 评论(0) 分类 英语新闻

ABIDJAN, Dec. 6 (Xinhua) -- Cote d'Ivoire's political crisis deepens with the appointment of two prime ministers by the two presidential candidates declared the winner of the Nov. 28 run-off respectively by the electoral commission and the Constituti

发表于:2019-02-08 / 阅读(66) / 评论(0) 分类 英语新闻

Properly analysed, Fraunhofer lines provide information about the exact chemical make-up of whatever is reflecting the light. 经过恰当分析,夫琅和费谱线可以提供关于任何反光物体的化学组成的确切信息。 Their patterns

发表于:2019-02-16 / 阅读(48) / 评论(0) 分类 经济学人科技系列