音标：[,prәutәu,bai'ɔlәdʒi] ；

原生生物学

国家地理-2008-03-20 Rho Ophiuchi Cloud 璀璨的星云

Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra

发表于:2018-12-05 / 阅读(314) / 评论(0)

国家地理2008年

初中英语山东版六年级下--Unit 5-SELF CHECK

Unit 5 My favorite subject is science. [00:09.42]Section B [00:12.42]1a Put these days into the correct order. [00:19.99]1b What subjects do you study at school? [00:26.07]Check (）the subjects. [00:29.27]1c PAIRWORK [00:33.11]Ask and answer questio

发表于:2018-12-10 / 阅读(362) / 评论(0)

初中英语山东版六年级下

高中英语人教版高一下讲解07

[00:04.49]Part 1 [00:07.34]WARMING UP [01:34.41]biology=scientific study of the life and structure of plants and animals [01:52.98]the biology of bacteria biologist [02:04.94]biological washing powder [02:28.30]LISTENING [02:34.25]1. Listen to the ta

发表于:2018-12-18 / 阅读(278) / 评论(0)

高中英语人教版高一

1200个最常用英语口语单词第五十三单元

abundant [ə'bʌndənt] a.丰富的，充裕的，大量的 biology [bai'ɔlədʒi] n.生物学 community [kə'mju:niti] n.社区，居民 detective [di'tektiv] n.a.侦探(的) exception [ik'sepʃən] n.例外，除外 handful ['hndfl] n.一把，一小

发表于:2018-12-19 / 阅读(383) / 评论(0)

1200个常用英语口语单词（MP3+文本）

英语听力—环球英语 1437 The History of Money

Voice 1 Welcome to Spotlight. Im Katy Blake. Voice 2 And Im Christy VanArragon. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Small, shiny shells. Roun

发表于:2018-12-19 / 阅读(279) / 评论(0)

环球英语 Spotlight

英文笑话：biology class 生物课

biology class This happened in a university biology class. The professor was explaining that sperm has a high concentration of dextrose. One freshman girl who looked puzzled asked, Then why doesn't it taste sweet? Notes: 1. This happened in a univers

发表于:2018-12-26 / 阅读(229) / 评论(0)

英语笑话（MP3+文本）

【突破英文词汇】prot, proto -- first 第一

1. protagonist /prəˈtgənɪst/ -- the leading(first) character in a play, novel or story Brutus is the protagonist in William Shakespeare's Julius Caesar and Antony is the antagonist. 布鲁特斯在威廉莎士比亚的《尤利乌斯凯撒》中是

发表于:2018-12-30 / 阅读(226) / 评论(0)

突破英文词汇

1200个最常用英语口语单词第三十三单元

biology [bai'ɔlədʒi] n.生物学 costly ['kɔstli] a.昂贵的 expensive [iks'pensiv] a.昂贵的 grow [grəu] v.生长，增长，变成 know [nəu] v.知道，熟悉 mountainous ['mauntnəs] a.多山的，如山的 possibly ['pɔsəbli] ad.可能

发表于:2018-12-30 / 阅读(416) / 评论(0)

1200个常用英语口语单词（MP3+文本）

VOA慢速英语2018 科学家观测到巨大星系团的诞生

Scientists Observe Birth of Huge Galaxy Cluster For the first time ever, astronomers have observed the birth of a galaxy cluster, known as a protocluster. The event, billions of light-years away, could form one of the largest-known structures in toda

发表于:2019-01-03 / 阅读(254) / 评论(0)

2018年VOA慢速英语(五)月

专业术语—中草药成分英汉对照词汇P2

d-Pinoresinoldi-O-b-glucopyranoside 松脂酚双吡喃葡萄糖甙 d-Pinoresinol d-松脂素 Piperitone 胡椒酮 Plantaginin 车前甙 Platycodin A, C, D 桔梗皂甙A，C，D Podophyllotoxin 鬼臼毒

发表于:2019-01-03 / 阅读(352) / 评论(0)

医务英语

SSS 2009-10-07

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(266) / 评论(0)

Scientific American(十)月

SSS 2011-09-02

This is Scientific American's 60-Second Science.I'm Steve Mirsky. Got a minute? Hi. Im running. Im also telling some ofmy stem cells what to do right now. Well, I probably am, based on a new study with mice. We have what are called mesenchymal stemce

发表于:2019-01-08 / 阅读(305) / 评论(0)

Scientific American(九)月

北师大版高中英语模块7--Unit 21 Human Biology 1

[00:02.50]Unit 21 Human Biology Culture Corner [00:07.48]Traditional Chinese Medicine [00:09.94]Traditional Chinese Medicine has been practiced [00:12.23]in Asia for the last 2,500 years. [00:15.73]It is safe and effective [00:17.83]and has a holisti

发表于:2019-01-10 / 阅读(441) / 评论(0)

北师大版高中英语模块7(选修)

谁想成为一个宇航员?

Who Wants to Be an Astronaut? 谁想成为一个宇航员? Space. Its called the final frontier. So, whens the last time you saw a job description like this?! Hi, Im Charlie Bolden, Im an astronaut myself, and Im recruiting the best and brightest Ame

发表于:2019-01-12 / 阅读(230) / 评论(0)

2015年VOA慢速英语(十一)月

VOA常速英语2007年-Australia's New PM Signs Kyoto Protocol on Clim

By Phil Mercer Sydney 03 December 2007 Kevin Rudd has been sworn in as Australia's new Prime Minister with an agenda of action on climate change and the repeal of unpopular industrial laws. The new government has signed the Kyoto Protocol on climate

发表于:2019-01-25 / 阅读(245) / 评论(0)

VOA常速英语2007年（十二月）

人类能否在两三年内治愈癌症

How one company is using artificial intelligence to develop a cure for cancer 人类能否在两三年内治愈癌症？ Could we be just two or three years away from curing cancer? Niven Narain, the president of Berg, a small Boston-based biotech fi

发表于:2019-02-07 / 阅读(302) / 评论(0)

阅读空间

A Call from a Frog

A frog telephones the Psychic Hotline and is told, You are going to meet a beautiful young girl who will want to know everything about you . The frog says, This is great! Will I meet her at a party, or what?No, says the psychic. Next semester in her

发表于:2019-02-08 / 阅读(237) / 评论(0)

趣味英语

万物简史第437期:小生物的世界(8)

In 2001, a team from Tel Aviv University argued that B. permians were almost identical to a strain of modern bacteria, Bacillus marismortui, found in the Dead Sea. 2001年，以色列特拉维夫大学的一个小组认为，二叠纪芽孢杆菌与一

发表于:2019-02-17 / 阅读(246) / 评论(0)

万物简史

【英语时差8，16】太阳为什么发光

What makes the sun shine? For a lot of folks, this is the kind of thing that doesn't even require explanation: it just does. But just being a commonplace phenomenon in no way explains it. Something must cause the sun to shine. And, in fact, there is

发表于:2019-02-23 / 阅读(260) / 评论(0)

英语时差8，16

中英双语新闻国演员艾伦·里克曼去世

The British actor Alan Rickman has died of cancer at the age of 69. In movies, he won fame for his role as Severus Snape in the Harry Potter series and before that in films such as Truly Madly Deeply, Love Actually, Die Hard, Sense and Sensibility an

发表于:2019-03-04 / 阅读(400) / 评论(0)

中英双语新闻

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学英语单词

4-hydroxy-19-nortestosterone