新东方背诵文选 L50. Cells and Temperature

Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

英语听力文摘 English Digest 676 老式冰淇淋机

Old Fashioned Ice Cream Makers Have you ever seen an old-fashioned ice cream maker? Nestled inside the wooden bucket, theres a metal canister with a hand crank on top. Cranking the handle scrapes the sweet, creamy mixture from the sides of the metal

Salt and Blood

06 食盐与血压的关系 DATE=2-22-01 TITLE=SCIENCE REPORT - Salt and Blood (1)Pressure BYLINE=Jerilyn Watson （Start at 1'00

VOA慢速英语--水瓶座卫星监测海水盐度

NASAs Aquarius Satellite Will Help Scientists Learn About Salt Levels in the Sea 探索发现 - 水瓶座卫星监测海水盐度 STEVE EMBER: Im Steve Ember. DOUG JOHNSON: And Im Doug Johnson with EXPLORATIONS in VOA Special English. Today we tell a

英文书摘精选 老式冰淇淋机

Old Fashioned Ice Cream Makers 老式冰淇淋机 Have you ever seen an old-fashioned ice cream maker? Nestled inside the wooden bucket, theres a metal canister with a hand crank on top. Cranking the handle scrapes the sweet, creamy mixture from the

第74期: kneel, lap, magnetic, nasty, zero

说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 kneel [ ni:l ] She knelt to pray. v. 跪

2007-10-25, Salt Mine Cathedral - 盐矿大教堂

Where once only salt miners traveled, today, tourists track through tunnels hundreds of feet deep into the caverns of Zipaquir mountain in Colombia. Their destination, a Catholic cathedral carved from the mineral deposits of the old mine. More than 1

SSS 2010-03-11

Think arranged marriages are loveless? Not so, says psychologist Robert Epstein, a contributing editor for Scientific American MIND magazine. He spoke March 10 at the 92nd Street Ys Tribeca site in New York City: And theres even a study published in

与美国小学生一起学英文第8册 第5期:摄氏度

Celsius 摄氏度 How cold is it outside? 外边多冷？ There are two different temperature scales. 有两种不同的温标可以衡量。 There are celsius and fahrenheit. 它们是摄氏度和华氏度。 Who invented celsius? 谁发明的摄氏度

英语杂谈：101 Temperature-sensitive genes

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

VOA慢速英语2011--NASA’s Aquarius Satellite Will Help Sc

EXPLORATIONS - NASAs Aquarius Satellite Will Help Scientists Learn About Salt Levels in the Sea STEVE EMBER: Im Steve Ember. DOUG JOHNSON: And Im Doug Johnson with EXPLORATIONS in VOA Special English. Today we tell about an American space agency proj

VOA标准英语2012--Small-Scale Irrigation Nets Large-Scale Payoff

Small-Scale Irrigation Nets Large-Scale Payoff A new study shows small-scale irrigation systems could boost farmers incomes by billions of dollars in sub-Saharan Africa and South Asia. The research was discussed at the World Water Week conference in

美国习惯用语:547 salt away

我们今天要学的习惯用语都包括这样一个关键词汇，salt。 Salt这个词大家都熟，是盐。人们在生活中少不了它，一切活细胞也都需要它，人们意识到盐的重要性已经有好几个世纪了，所以由s

学个词 Learn a Word-VOA英语教学 3036 full scale

今天我们要学的词是full-scale. Full-scale 全面的。The Trump administration announced new tariffs on China, a move that could escalate into a full-scale trade war. 川普政府宣布对中国实施新关税，此举可能会升级为全面贸

学个词Learn a Word 第1700-large-scale

今天我们要学的词是 large-scale。Large-scale 大规模的。The police busted a large-scale drug-trafficking ring. 警察捕获了一个大型毒品走私集团。Russia said that it is not planning a large-scale evacuation of its citizens l

Israeli researcher develops nano-scale gyroscope

JERUSALEM, May 8 (Xinhua) -- Israeli researcher Jacob (Koby) Scheuer, from the Tel Aviv University (TAU) School of Electrical Engineering, has developed a nano-scale gyroscope, the Ha'aretz daily reported Sunday. Scheuer developed a new optic-fiber n

【英文短篇小说】Salt

Salt I WROTE THE OBITUARY for the OBITUARIES editor. Her name was Lois Andrews. Breast cancer. She was only forty-five. One in eight women get breast cancer, an epidemic. Loiss parents had died years earlier. Dads cigarettes kept their promises. Moms

学个词 Learn a Word-VOA英语教学 2958 large scale

今天我们要学的词是 large-scale. Large-scale 形容词，大规模的。South Korea and the United States kicked off large-scale joint aerial drills on Monday. 韩国和美国星期一开始举行大规模联合空中演习。General Motors C

英语听力文摘 English Digest 133、老式冰激凌制作

Have you ever seen an old-fashioned ice cream maker? Nestled inside a wooden bucket, there's a metal canister with a hand crank on top. Cranking the handle scrapes the sweet, creamy mixture from the sides of the metal canister, which sits in a bath o

从salt到salary : 词汇"salt"变奏曲

从柴米油盐说起 中国人用柴米油盐酱醋茶概括了生活所必须的点滴琐事，所以，一说起柴米油盐，说汉语的人头脑中第一印象就是过日子。 其实不只是中国人，全人类又何尝不是如此呢？不同