[机] 无氧触发消化器

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

发表于:2019-01-02 / 阅读(191) / 评论(0)

60秒科学

专业术语—口腔生理学术语G2(英文详解)

Glucosamine - a glucose or galactose molecule with an amine group attached. see also glucuronic acid. Glucose - a molecule of great importance to life as it provides a ready source of energy for both

发表于:2019-01-03 / 阅读(197) / 评论(0)

医务英语

专业术语—口腔生理学术语E1(英文详解)

Ecological balance - astable balance in the numbers of each species in an ecosystem. In the ecosystem of the mouth this balance is brought about by competition and cooperation between the different or

发表于:2019-01-03 / 阅读(195) / 评论(0)

医务英语

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

发表于:2019-01-03 / 阅读(181) / 评论(0)

医务英语

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

发表于:2019-01-03 / 阅读(249) / 评论(0)

医务英语

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

发表于:2019-01-03 / 阅读(149) / 评论(0)

医务英语

Alien contact

Rob: Hello! Im Rob and this is 6 Minute English. Im joined today byAlice. Hello Alice. Alice: Hi Rob. Rob: Today, were talking about alien life form and who on planet earth wouldaliens speak to if they one day made contact? Alice: Alien life form. Th

发表于:2019-01-07 / 阅读(329) / 评论(0)

六分钟英语

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

发表于:2019-01-08 / 阅读(197) / 评论(0)

Scientific American(四)月

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

发表于:2019-01-08 / 阅读(288) / 评论(0)

英文语法词汇

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

发表于:2019-01-12 / 阅读(155) / 评论(0)

2015年VOA慢速英语(九)月

VOA标准英语2010年-Seattle to Recycle Food Waste into Ele

In the northwestern United States, the city of Seattle requires its residents to separate food waste from the rest of their trash. The food gets recycled into compost for lawns, gardens and, soon, into electricity. Every day, at Cedar Grove Compostin

发表于:2019-01-14 / 阅读(146) / 评论(0)

VOA标准英语2010年(十一)月

Juninho reveals contact with Chelsea's Malouda about Brazil move

Juninho reveals contact with Chelsea's Malouda about Brazil move RIO DE JANEIRO, Oct. 22 (Xinhua) -- Former Brazil international midfielder Juninho has revealed that he has spoken to Chelsea's Florent Malouda in a bid to bring the midfielder to Vasco

发表于:2019-01-31 / 阅读(221) / 评论(0)

英语新闻

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

发表于:2019-02-03 / 阅读(150) / 评论(0)

英语新闻

雅思阅读词汇：探索太空生命(1)

a high spatial resolution 高空间分辨率 a xenon-lamp 氙灯 abode n. 住所，住处 absence n. 缺乏 acceptor n. 接受者 access v. 接近 aerobic adj. 依靠氧气的，与需氧菌有关的

发表于:2019-02-06 / 阅读(204) / 评论(0)

英文语法词汇

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。

发表于:2019-02-17 / 阅读(197) / 评论(0)

万物简史

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

发表于:2019-02-17 / 阅读(186) / 评论(0)

万物简史

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

发表于:2019-02-24 / 阅读(702) / 评论(0)

经济学人科技系列

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

发表于:2019-02-24 / 阅读(166) / 评论(0)

经济学人综合

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

发表于:2019-02-25 / 阅读(227) / 评论(0)

GRE英语

欧美人文风情第128篇:十大误解概要 - 喝八杯水必要吗?

Number ten. The Great Wall of China is the only man-made object visible from space. 第十。中国长城是唯一能在太空中看到的人造物体。 To see something on Earth from space, it would have to be pretty big, 要从太空看到地球上的

发表于:2019-03-02 / 阅读(193) / 评论(0)

欧美人文风情

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

blast furnace tapping