菌害木

One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是,如果一对氨基酸的一个侧链折叠后很长,

发表于:2018-12-05 / 阅读(97) / 评论(0) 分类 经济学人科技系列

Agriculture Report - Getting to the Root of How to Water Trees This is the VOA Special English Agriculture Report. Some trees can survive a long time without water. Think of trees that grow in the desert. But other trees may need more moisture than t

发表于:2018-12-07 / 阅读(133) / 评论(0) 分类 2011年VOA慢速英语(八)月

AS IT IS - Medical treatment for adults infected with HIV This is AS IT IS. Welcome back. Im Caty Weaver. Today on the show the subject is HIV/AIDS. In recent years, developing countries have increased the availability of medical treatment for adults

发表于:2018-12-07 / 阅读(57) / 评论(0) 分类 2013年VOA慢速英语(四)月

The Mysterious Honeybee Disappearance 神秘的蜂群消失事件 by Rebecca A. Fratzke Honeybees are used to help many crops flower and grow. Thus, they play an extremely important _(1)_ in agriculture. However, since 2006, beekeepers in the US have

发表于:2018-12-08 / 阅读(102) / 评论(0) 分类 常春藤解析英语

Supporting National Parks Through the Arts Artist Rosalie Haizlett starts every day by opening a map of the Great Smokey Mountains National Park. Over breakfast, she plans her walk for the day. She packs food and a sketch book, and then leaves for he

发表于:2019-01-03 / 阅读(97) / 评论(0) 分类 2018年VOA慢速英语(七)月

Orchids are among the most successful flowering plants, with more than 22,000 species around the world. And thats not just because of the obsession they inspire in their human fans. Researchers spent 10 years studying orchids in South Africa, where t

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 Scientific American(二)月

This is scientific Americans 60 second science,I'm Cynthia Graber.This will just take a minute.A coal mine can decrease the local environment but a Fungi may indivertantly help cleanup the mine with its own waste products. Researchers worked with the

发表于:2019-01-08 / 阅读(130) / 评论(0) 分类 Scientific American(七)月

1. Efforts to reach six Utah coal miners trapped more than 1500 feet underground will take at least three days. That's according to one of the mine's owners who says rescuers aren't sure the men survived the cave-in. There has been no word from them

发表于:2019-01-08 / 阅读(130) / 评论(0) 分类 美联社新闻一分钟2007

This is the VOA Special English Agriculture Report. Strip cropping Nigeria is the world's largest cowpea producer. Cowpeas are also called black-eyed peas. But there is always room for improvement. Recently, before the start of another farming seaso

发表于:2019-01-11 / 阅读(98) / 评论(0) 分类 VOA慢速英语2007年(九)月

Everyday Grammar: Unusual Plurals 英语日常语法:不寻常的复数 One fish, two fish, red fish, blue fish, goes the Dr. Seuss childrens story. Why isnt it two fishes? You may think, Ok, its hard to count fish so we group them all together. No p

发表于:2019-01-12 / 阅读(108) / 评论(0) 分类 2015年VOA慢速英语(九)月

AS IT IS 2016-09-15 What is Pneumonia and How Do You Get it? 什么是肺炎?怎么预防? This week, presidential candidate Hillary Clinton made news -- not for what she said, but for her health. 这一周,总统候选人希拉里克林顿(H

发表于:2019-01-12 / 阅读(70) / 评论(0) 分类 2016年VOA慢速英语(九)月

Science and technology 科学技术 Bioremediation 生物降解 Bottom feeders 清道夫平菇 A novel way of dealing with an unpleasant problem 解决烦人难题的新颖方法 For your delight and delectation 愿你欢愉 DESPITE their name, dispo

发表于:2019-01-16 / 阅读(91) / 评论(0) 分类 经济学人科技系列

Prehistoric Amber Reveals Natural Ancient Alliance Scientists say a piece of amber - recently found in India and dating back at least 52 million years - offers proof of the ancient relationship between fungi and flowering trees, which sustains modern

发表于:2019-02-06 / 阅读(103) / 评论(0) 分类 VOA标准英语2012年(二月)

《回到未来2》上映于1989年,片中主角从1985年穿越到了2015,演绎了对2015年的一系列怪异预测。 Although several of the film's predictions, like video calls and wearable technology, came true, Back to the Future II showe

发表于:2019-02-13 / 阅读(82) / 评论(0) 分类 阅读空间

11.Acids are chemical compounds that,in water solution,have a sharp taste, a corrosive action on metals,and the ability to turn certain blue vegetable dyes red. 12.Billie Holiday's reputation as a great jazz-blues singer rests on her ability to giv

发表于:2019-02-13 / 阅读(76) / 评论(0) 分类 托福英语

For most of that time of life on Earth, living organisms have been relatively simple -- single cells. 地球的大多数时间,生物体多是以简单的单细胞存在的。 But they had great diversity, and, inside, great complexity. 但是它们是

发表于:2019-02-14 / 阅读(69) / 评论(0) 分类 TED演讲教育篇

在我们的生活中,死亡是我们所有人必定会遇到的事情,无论是家庭成员还是宠物,甚至是你都将有终结之时。事实上,每分钟世界上大约就有100人死亡。但在人死之时到底会发生什么呢?

发表于:2019-02-17 / 阅读(119) / 评论(0) 分类 阅读空间

11. Acids are chemical compounds that, in water solution, have a sharp taste, a corrosive action on metals, and the ability to turn certain blue vegetable dyes red. 11. 酸是一种化合物,它在溶

发表于:2019-02-18 / 阅读(87) / 评论(0) 分类 实用英语

1. 在并列连词(and, but, for, nor, or, yet )前使用,用来连接句中的各分句。 The principal reason for this is that none of them possesses chlorophyll, andsince they cannot synthesize their own carbohydrates, they obtain their supplie

发表于:2019-02-19 / 阅读(97) / 评论(0) 分类 托福英语

Well, mushrooms are merely one of many types of fungi. Not all fungi grow in soil. However, mushrooms and other fungi do resemble plants in many ways, so much so that scientists long classified fungi plants, but they know better now. Eating Habits Wh

发表于:2019-02-24 / 阅读(79) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
'the
accounting file
analyticities
anaphylactia
Association of Shipping Agents in Liberia
atales
attrnuant
backplane bus
Ban Hai
beam configurations
bizonal
Bruck an der Leitha
buoyancy wave
carriage paid home
cation-exchanger
center console
chrome complex dye
Church Slavic
cohesion hypothesis
common petiole
computation explosion mechanics
conventional core analysis
crash astern
Crotaphytus
cylindrical drum
cylindrical drum winding
Damascius
deep ocean engineering
double imbalance
electrode lead
ellerbies
Elmley
enlumines
entry of matrix
equal inclination fringes
equity partner
erratic cell structure
feed adjusting mechanism
focused strategy
genus daphnias
goods returned to vendor
Guesdist
gun-injection process
harping-iron
helpfile
high-accuracy measuring
Hopkins,Johns
hot-cold working
hydrazo-
ibid
index-trackers
influent waste flow
interference measuring set
interpolation knot
laid back
lay her hands on
letter balance
Little Big Horn
loanhead
localic
locomotive turnaround time
mackinlay
marketing-communications
mesocardia
mesonic atom
mont-
mutual preferential duties
neucleocapsid
Nzingu
ORDIR
Outtake Show
parental ditype,PD
Pars umbilicalis
passports and visas
peripilar
phototopographical
portal-systemic
primary sporogenous cell
pseudodifferential equations
resinene
shin splints
short beam
sodomized
soil resistance finsihing
strandberg
Structured Finance
structurists
syndromes of middle-jiao
Tarbellizing
Temnopleuridae
test specifications
threadbarer
throw oneself down
thumbprints
totalizators
trabeatest
transactivators
Trapa bispinosa Roxb.
triethylenelthiophosphoramide
unkilned
unsaluting
upstream chamber