[生物] 育种学史

Gene-edited Food Will Arrive Soon, But Will People Eat It? Foods based on the latest biotechnologies will soon be available in grocery stores around the country. The first foods from plants or animals that have had their genetic material, or DNA, edi

发表于:2018-11-27 / 阅读(550) / 评论(0) 分类 2018年VOA慢速英语(十一)月

Passage 21 Soils There are many different kinds of soils. Different soils have different types of rock and minerals in them than other. Some soils have more water in them than others. Some soils might have more plant and animal material in them, too

发表于:2018-11-30 / 阅读(326) / 评论(0) 分类 英语专业四级听写

[ti:UNIT 2 DNA Lesson 9 What's a Horkey?] [0:01.785]UNIT 2 第二单元 [0:03.616]DNA [0:06.372]You will learn 你将学到 [0:07.998]Functions 功能 [0:09.452] Ability and Inability 能力与无能 [0:12.545]Grammar 语法 [0:13.806] Coordinating C

发表于:2018-12-10 / 阅读(216) / 评论(0) 分类 河北教育初中英语(初中起点)九年级下

Kingdom 界 There are so many kinds of living things. 地球上有各种各样的生物。 There are plants, animals, bacteria, fungi and so on. 其中有植物、动物、细菌、真菌等等。 These are the highest categories when you group livin

发表于:2018-12-13 / 阅读(137) / 评论(0) 分类 与美国小学生一起学英文第9册

Researchers Genetically Modify Corn to Increase Nutrition Researchers in the United States say they have discovered how to genetically engineer corn to produce a kind of amino acid usually found in meat. The result is a food with increased nutrition

发表于:2018-12-18 / 阅读(248) / 评论(0) 分类 2017年VOA慢速英语(十)月

1. If we did not have air, there would be no sound. Without air, there would be no life. 2. not…but… 不是 … 而是 … 连接并列状语 eg: In the past three years, he did not study for his

发表于:2018-12-30 / 阅读(181) / 评论(0) 分类 自考英语(一)78讲

Scientists found a prehistoric ancestor of an arrow worm among a group of fossils at two national parks in Canada. The fossils were found in what is now British Columbia, but was once an ocean. The sea worm was 10 centimeters long and had 50 spines o

发表于:2019-01-02 / 阅读(199) / 评论(0) 分类 2017年VOA慢速英语(八)月

Vegans have substantially lower death rates than meat-eaters, a major study has found. The study has been published in the JAMA Internal Medicine Journal and reignites debate around increasingly popular vegan diets over their impact of proponents' he

发表于:2019-01-03 / 阅读(141) / 评论(0) 分类 实用英语

Plants that use animals to disperse their seeds can find themselves in a pickle. Their need to make fruit tasty enough to entice the local fauna, but they also need to make sure that their animal assistants don't digest the very seeds they are meant

发表于:2019-01-08 / 阅读(196) / 评论(0) 分类 Scientific American(六)月

Plants that use animals to disperse their seeds can find themselves in a pickle: They need to make fruit tasty enough to entice the local fauna, but they also need to make sure that their animal asssistants don't digest the very seeds that are meant

发表于:2019-01-08 / 阅读(180) / 评论(0) 分类 Scientific American(六)月

新GRE写作机经:社会与自然 Society should make efforts to save endangered species only if thepotential extinction of those species is the result of human activities. 社会应该努力拯救濒危物种,只要这些物种的灭绝是人类活

发表于:2019-01-08 / 阅读(130) / 评论(0) 分类 GRE作文

By Nick Wadhams Nairobi 17 July 2007 Conservation groups are up in arms about a proposal to build a soda ash plant on the shores of a lake in Tanzania that is among the world's most important flamingo breeding grounds. Nick Wadhams reports from our E

发表于:2019-01-09 / 阅读(220) / 评论(0) 分类 2007年VOA标准英语(七月)

《Civil War》是美国硬摇滚乐队枪炮与玫瑰的一首单曲,首次收录于1990年的群星慈善专辑《Nobody's Child: Romanian Angel Appeal》。这是一首反战歌曲,指出一切战争皆为内战,战争唯独喂肥了富人,却

发表于:2019-01-10 / 阅读(163) / 评论(0) 分类 经典英文歌曲

Scientists in Poland Work to Save Honeybees 科学家在波兰致力于拯救蜜蜂 Honeybees are in danger worldwide. Their homes -- known as colonies -- are suffering from what scientists call Colony Collapse Disorder. Scientists have linked the di

发表于:2019-01-12 / 阅读(189) / 评论(0) 分类 2016年VOA慢速英语(八)月

AS IT IS 2016-06-02 Dead Cubs Found at Thailands Tiger Temple 在泰国老虎庙发现死去的老虎幼崽 Officials in Thailand found 40 dead tiger cubs at a Buddhist temple accused of animal abuse. The dead cubs were discovered Wednesday in a free

发表于:2019-01-12 / 阅读(196) / 评论(0) 分类 2016年VOA慢速英语(六)月

AS IT IS 2015-10-09 Belarus Writer Gets Nobel Literature Prize 白俄罗斯作家获得诺贝尔文学奖 Svetlana Alexievich of Belarus has won the Nobel Prize in Literature. The Nobel Prize committee in Stockholm, Sweden, called her writings a monu

发表于:2019-01-12 / 阅读(181) / 评论(0) 分类 2015年VOA慢速英语(十)月

Tasmanian Devils, pygmy-possums and native parrots are just some of Australia's threatened species. But thanks to a successful breeding season, one animal sanctuary is optimistic for the future survival of these creatures. Our reporter Li Dong has th

发表于:2019-01-19 / 阅读(175) / 评论(0) 分类 世界各地新闻集锦

藻类Algae 两栖动物Amphibians 动物习性Animalbehaviour 动物资源Animalresources 节肢动物Arthropods 生物多样性Biologicaldiversity 生物资源Biologicalresources 生物圈保护区Bi

发表于:2019-02-02 / 阅读(193) / 评论(0) 分类 英文语法词汇

The International Atomic Energy Agency is making a push for an unusual type of technology, using radiation to produce higher yielding and hardier plants. Lisa Bryant has more on the technology that the IAEA says could help reduce hunger affecting mi

发表于:2019-02-06 / 阅读(200) / 评论(0) 分类 VOA标准英语2008年(十二月)

Fred Hoyle and his colleague Chandra Wickramasinghe further eroded enthusiasm for panspermia 我们已经在第三章里提到,弗雷德霍伊尔和他的同事钱德拉威克拉马辛格认为, by suggesting that outer space brought us not only

发表于:2019-02-17 / 阅读(139) / 评论(0) 分类 万物简史
学英语单词
academie
Alrheumum
apocalyptic
archfoes
attenuation of traveling wave
basocyte
Bathonian Stage
Bechicon
bergmehl
bitov
break measure
cableless
caenogenesis
choquettes
courageable
Defloration(Surgical)
didymium farinaceum schrad
distribution free test
driefontein
driving technique
dust container
dynamic control theory
economic process
electric sounding machine
equivalent source e.m.f.
escaping structure
evaporation regime
excitonic superconductor
feel up to
ferroelectric glass-ceramic composition
fibreglass
field dominance
fish and prawns podjarka
flow establishment
free on board stowed
Frepion
Galoshins
genejenn
General Event Notification Architecture
gilutensin
Hadamar
hailsum
hamdia
hymenpolypus
in a different league
inconvincibly
indicated horse power (ihp)
Indigofera stachyodes
isoclinals
JMCIS
kitchers
Kuroshio countercurrent
lean in
legislative review conference
lieus
looper control
mastoid (bone)
medullo-epithlioma
monin
monologic
multiversities
nadi
Netware Novell
neuroresearch
nicotinamide adenine dinucleotide
nocardioides fonticola
noninfectious
nuclear safeguards technique
nurse-midwives
obviations
perplexations
phra
piled-up
possibility and reality
production method of depreciation
production orientation
protanope
purulent blastomycosis
reclaimed soil
rice rat
rmcb
salvage at scene
single-level
sloe-eyed
soda ashes
spellman
spheroidal parting
storage image
Streptomyces lavendulae
sugar loaf mountain
tabulated solution
teath
timber sill beam
trail ridings
twelve hundred
vallar
virste
vishnus
Watova
whistler-type noise
wire-screen ladle
zanders