动植物群系

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(236) / 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(105) / 评论(0) 分类 新视野大学英语读写教程词汇 第三册

[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(164) / 评论(0) 分类 河北教育初中英语(初中起点)九年级下

[ti:UNIT 2 Plant a Plant! Lesson 10: Plant Parts] [0:00.363]UNIT 2 第二单元 [0:02.105]Plant a Plant! 培育植物 [0:03.775]Lesson 10: 第10课: [0:05.444]Plant Parts 植物的组成部分 [0:07.100]THINK ABOUT IT! 想一想 [0:08.539]How many

发表于:2018-12-13 / 阅读(184) / 评论(0) 分类 河北教育初中英语(初中起点)八年级下册

[ti:UNIT 2 Plant a Plant! Lesson 9: How Does a Plant Grow?] [0:00.532]UNIT 2 第二单元 [0:01.935]Lessons 9~16 第9~16课 [0:04.780]Plant a Plant! 培育植物! [0:06.829]You Will Learn 你将学到 [0:09.105]Functions 实际应用 [0:10.888]Ta

发表于:2018-12-13 / 阅读(217) / 评论(0) 分类 河北教育初中英语(初中起点)八年级下册

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(83) / 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(177) / 评论(0) 分类 2017年VOA慢速英语(十)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? We live in a nice neighborhood. Of the galaxy, that is. The sun is about halfway toward the outer edge of the Milky Way. But the sun may have migrated vast distances t

发表于:2018-12-24 / 阅读(127) / 评论(0) 分类 Scientific American(九)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(114) / 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(117) / 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(96) / 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(128) / 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(142) / 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(142) / 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(82) / 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(130) / 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(118) / 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(109) / 评论(0) 分类 2015年VOA慢速英语(十)月

TEHRAN, Oct. 18 (Xinhua) -- Iranian(伊朗) leaders on Monday urged for the quick formation of the Iraqi government, saying that will serve the interests of the Iraqi people and enable them to enjoy stability, security, unity and prosperity(繁荣

发表于:2019-02-06 / 阅读(153) / 评论(0) 分类 英语新闻

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(92) / 评论(0) 分类 万物简史
学英语单词
ABbox
air blast transformator
all-high
apparent condition
Aspy B.
backhand stopping
bacteriophagic
big-sized
bite angle
blending value
bulb rot
buying group
caespitose
candle holder
cargo handling by conveyor
central banker
charcoal knobbled iron
common baldness
concentric domed mire
continental farming
Cornox CWK
Cripps's operation
cross-hair cursor
crossover block
crystallite-shape factor
Danjon prismatic astrolabe
deterrability
distanciation
dust chute
dyed-black
far advanced tuber culosis
fests
filamentiferous rod
fire science education
Fontana's spaces
force sb's hand
forward-difference method
FPGAs
general precession in longitude
glenn hammond curtisses
go beyond
grooved spring base
harik
hartsel
humistratous
hypersonic similarity
impedance plethysmogram
in bad graces
incents
industrial monopoly
intercoming
isolation technics
isso
jack rod
josshouse
Krepost
liquid-sealing compound
manually operated visual landing-aid system (movlas)
marine geodetic surveying
Masr
memory partition name
millet stem maggot
multigraph paper
murder mystery
notker
Onsong
optimal convex decomposition
pagurus luticola
panacom
physiological lag
pinacolborane
plane quadratic curve
port jamb
practicks
process detailing
prosopographer
queen of the meadows
re-supply
reef (-building) coral
remote plug
roughness of particles
Roussy-Levy disease
Sayhan
sequential plasma spectrometer
servo resolver
shale arenite
shaling
stern-volmer equation
strag
stress-rupture strength
strong source
suborbital bar (or infraorbital bar)
Sütlüce
traffic delay predictor
tumour(tumor)
unappointable
unportunate
whips through
whiteface r.
xenoblast
xylem duct
yche