动植物残体

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(191) / 评论(0) 分类 英语专业四级听写

New Words 8A @ implication n. 1. [C] (usu. pl.) a possible effect or result 可能的影响(或后果) @ 2. [C, U] sth. that is suggested or not openly stated 含义;暗示 @ clone vt. make an exact copy of a plant or animal by taking a cell fr

发表于:2018-12-04 / 阅读(68) / 评论(0) 分类 新视野大学英语读写教程词汇 第三册

This is the VOA Special English Agriculture Report. Cows, sheep, goats and other animals can get mastitis, an inflammation in the udder, the organ where milk is produced. Milk from an untreated cow is still relatively safe to drink. But the milk is

发表于:2018-12-07 / 阅读(79) / 评论(0) 分类 VOA慢速英语2008(十)月

[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(127) / 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(48) / 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(128) / 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(61) / 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(70) / 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(57) / 评论(0) 分类 实用英语

By Mil Arcega Washington, DC 13 January 2006 watch Frog Global report A new study published in a prominent scientific journal has provided the first concrete evidence that global warming is contributi

发表于:2019-01-07 / 阅读(88) / 评论(0) 分类 2006年VOA标准英语(一月)

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(86) / 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(93) / 评论(0) 分类 Scientific American(六)月

Located in Nanping County, Aba Tibetan-Qiang Autonomous Prefecture, Jiuzhaigou Ravine stretches 80 kilometers in one direction and takes up an area of more than 60,000 hectares. The area consists of six scenic spotsChanghai, Jianyan, Nuorilang, Shuzh

发表于:2019-01-08 / 阅读(82) / 评论(0) 分类 旅游英语

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(41) / 评论(0) 分类 GRE作文

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(81) / 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(51) / 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(69) / 评论(0) 分类 2015年VOA慢速英语(十)月

威士忌副产品或会成为下一代汽车燃料 Scotland is the world's largest whisky producer. And Scottish professor has discovered how to take the waste products from distilling whisky and turn them into biobutanol, an alcohol that can be use

发表于:2019-01-14 / 阅读(78) / 评论(0) 分类 VOA标准英语2016年(一月)

威士忌生物燃料技术 We know we shouldnt drink alcohol and drive. But whisky could help us be more environmentally friendly drivers. 谁都知道不能酒后驾车。但是,从威士忌副产品中可以提取出新的生物燃料给汽车提供

发表于:2019-01-19 / 阅读(43) / 评论(0) 分类 VOA双语新闻 2015年11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(54) / 评论(0) 分类 万物简史
学英语单词
acate pneumonic tuberculosis
air tanker
Allen key
amynologic
AOEL
AORTF
aperture-field method
Bactris
benzene hexachloride (bhc)
cage structure
camcorders
caraca
carved wooden necklace
ccr(current cell rate)
centerbody
charge turbulent fluctuation
circle shear
circular shelf dryer
closed cycle
coefficient of self oscillation
conjugate locus
conservations of mass
corrosion resisting property
cost utility analysis
cross-adaptation
crumpacker
cryogenic heat pipe
crystalliser
diacetyl-dihydroxydiphenylisatin
dimethyl tartrate
double punch and blank-column detection
dower and courtesy interests
Duhring's diagram
enteric bacillus
epistatic gene
EPO-R
family Lobotidae
Fleet vehicle
fuze firing mechanism
gets along
graduated hopper-charging
gynaeco-
Hall flowmeter
hindshanks
honey glands
Johnny on the spot
lehmannite
listenest
literary critics
make one's escape
marieclaude
mechanization of maintenance
miniatus
molecular absorption band
mounting metallurgical specimens
musculus extensor digitorum longus pedis
network-connected
neutral phosphate
NIH-7519
orates
paddle type agitator
papillary foramen
paris-journal
Phyllomahaleb
pitching change
platform barrier
POPSIPT
Porlezzina
propeller-regulating mechanism
pulpiform
rassling
recovery flap
remerging
resistance-weld mill
rock bolting jumbo
S.S.P.
spheriflex hub
spring gage
stopine
sturrocks
subdetector
superpredicate
switching line
tail throat of a hump yard
teeming stage
tetralogies of fallot
the Met
The sands are running out.
theater air priority number
Themar
tie-in line
tin plate printing
tinamidaes
trachodonts
transfer target
turning block
turpentine wood oil
universal cutter and tool grinder
weather search radar
zahava
Zarp