[=acetylcholinesterase]乙酰胆碱脂酶

VOA慢速英语2009-SCIENCE IN THE NEWS - Tree Deaths in Western US

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. This week, we will tell about one explanation for many trees dying in the western United States. We will tell about a project to make e

发表于:2018-12-15 / 阅读(40) / 评论(0)

VOA慢速英语2009年（二）月

各大品牌英文介绍 Goldman Sachs

Goldman Sachs is a global investment banking and securities firm. It also deals in investment management and other financial services. Most of its clients are institutions, governments, pension funds and very wealthy people. It was founded in 1869 by

发表于:2019-01-01 / 阅读(57) / 评论(0)

各大品牌英文介绍

SSS 2009-06-08

This is Scientific American's 60-second Science, I'm Steve Mirsky. Got a minute? Back on January 15th, US Airways Flight 1549 made that amazing water landing in the Hudson after both engines were taken out by Canada geese, which can weigh eight pound

发表于:2019-01-08 / 阅读(63) / 评论(0)

Scientific American(六)月

VOA慢速英语 EXPLORATIONS - Risk of Crossed Paths Grows in Increa

VOICE ONE: Im Steve Ember. VOICE TWO: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. This week, we tell about a growing threat to airplanes around the world. And we hear about objects in space that are threatening satellites and the

发表于:2019-01-11 / 阅读(59) / 评论(0)

VOA慢速英语2009年（四）月

2006年VOA标准英语-Group of Youths Travels Across US to Combat AID

By Suzanne Presto Washington, D.C. 19 September 2006 watch Bus Tour report Five young Americans spent two months traveling across the United States recently on a two-month bus journey. But this was not a romantic cross-country trip of self-discovery

发表于:2019-01-12 / 阅读(119) / 评论(0)

2006年VOA标准英语（九月）

2006年VOA标准英语-Three Faiths Share Adjoining Sites in Istanbul

By Miguel Angel Rivera Istanbul, Turkey 04 December 2006 watch Turkey's Religious Tolerance One of the themes of Pope Benedict's visit to Turkey last week was to strengthen the bonds between the Roman Catholic Church and Eastern Orthodox Christians.

发表于:2019-01-25 / 阅读(88) / 评论(0)

2006年VOA标准英语（十二月）

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学英语单词

butane tetracarboxylic acid

Byzantisms

chemical oxygen demand (cod)