[农学] 品种间杂交

We used to be a nation of farmers. But now it’s less than two percent of the population in the United States. And so, a lot of us don’t know what it takes to grow food. Over 12 thousand years ago

发表于:2018-12-07 / 阅读(167) / 评论(0) 分类 其他文化

By Paula Wolfson White House 31 May 2006 View Bush comments on Iraq allegations (Real Video) President Bush says he is troubled by allegations U.S. Marines killed unarmed Iraqi civilians last year in the city of Haditha. Mr. Bush says if laws were b

发表于:2018-12-07 / 阅读(237) / 评论(0) 分类 2006年VOA标准英语(五月)

发表于:2018-12-12 / 阅读(192) / 评论(0) 分类 医务英语

Unit 22 Chuck high-fat cheese。 Unit 22 拒吃高脂肪起司 One ounce oI most cheeses----one measly slice----averages about 100 calories and 7 or 8 grams of fat. 大部分的奶酩只要一盎司____即使是微不足道的一小片___平均都含大

发表于:2018-12-26 / 阅读(118) / 评论(0) 分类 减肥瘦身英语口语话题

EXPLORATIONS - Working to Protect Plants for Future Generations CHRISTOPHER CRUISE: Im Chrisopher Cruise. MARIO RITTER: And Im Mario Ritter with EXPLORATIONS in VOA Special English. Today we tell about concerns about plant life, including agricultura

发表于:2019-01-12 / 阅读(135) / 评论(0) 分类 2012年VOA慢速英语(二)月

By Bill Rodgers Washington 19 May 2008 The Green Revolution is a good example of how technological advances can have a dramatic effect on economic development - in this case on food production. Other technological innovations are helping to improve a

发表于:2019-01-13 / 阅读(134) / 评论(0) 分类 VOA标准英语2008年(五月)

Ethiopian scientist was named on Thursday as the winner of the 2009 World Food Prize in an event at the U.S. State Department. Ejeta, a faculty member at Purdue University in the Midwestern U.S. state of Indiana, was honored for his work on drought

发表于:2019-01-13 / 阅读(158) / 评论(0) 分类 VOA标准英语2009年(六月)

Climate Change May Overwhelm Farmers A new study says the pace and severity of climate change may overwhelm small-scale farmers in Africa. The study describes those farmers as the mainstay of food production on the continent. The findings were releas

发表于:2019-01-14 / 阅读(146) / 评论(0) 分类 VOA标准英语2014年(九月)

23. Illustrated with an entertaining array of examples from both high and low culture, the trend that Mr. McWhorter documents is unmistakable. 【分析】句子主干为 the trendis unmistakable。Illustrated with...culture为过去分词短语作方式

发表于:2019-01-16 / 阅读(131) / 评论(0) 分类 考研英语长难句讲解

Nestled between the Pacific Ocean to the west and the Andes mountain range on the east, Chile's producers have traditionally thrived in this Mediterranean-like climate. But with temperatures rising and rains becoming scarcer, producers are being forc

发表于:2019-01-19 / 阅读(169) / 评论(0) 分类 2015CRI中国国际广播电台

'I KNOW NOTHING about wine--where do I start?' is perhaps the most frequent question I am asked. An obvious starting point is with grape varieties, which each have their own distinctive character and flavor. 我对葡萄酒一无所知──我该从哪

发表于:2019-01-30 / 阅读(159) / 评论(0) 分类 阅读空间

基因工程常用词汇 A 腺苷脱氨酶缺乏症 adenosine deaminase deficiency (ADA) 腺病毒 adenovirus Alagille综合征 Alagille syndrome 等位基因 allele 氨基酸 amino acids 动物模型 animal model 抗体 antibody 凋亡 apoptosis 路-巴综合征 ataxia-telangiectasia 常染

发表于:2019-02-01 / 阅读(134) / 评论(0) 分类 英文语法词汇

Do Peru's potatoes have the right stuff? 秘鲁的土豆能经受住考验吗? That's the question scientists will be asking in Lima next month, when a selection of tubers will begin undergoing tests to determine whether they're fit to grow on Mars

发表于:2019-02-04 / 阅读(118) / 评论(0) 分类 阅读空间

How long does it usually take you to make delivery? 你们通常要多久才能交货? Could you make prompt delivery? 可以即期交货吗? Would you accept delivery spread over a period of time? 不知你们能不能接受在一段时间里分批

发表于:2019-02-07 / 阅读(143) / 评论(0) 分类 实用英语

May I have an idea of your prices? 可以了解一下你们的价格吗? Can you give me an indication of price? 你能给我一个估价吗? Please let us know your lowest possible prices for the relevant goods. 请告知你们有关商品的最低价

发表于:2019-02-11 / 阅读(114) / 评论(0) 分类 实用英语

Ethiopian scientist was named on Thursday as the winner of the 2009 World Food Prize in an event at the U.S. State Department. Ejeta, a faculty member at Purdue University in the Midwestern U.S. state of Indiana, was honored for his work on drought a

发表于:2019-02-14 / 阅读(125) / 评论(0) 分类 VOA双语新闻 2009年6月

Scientists have now started to breed drought resistant crops which they hope will combat East Africa's worst drought in 60 years. More than 13 million people across Africa are facing severe food shortages. But as CRI's Su Yi reports, a new strain of

发表于:2019-02-14 / 阅读(164) / 评论(0) 分类 世界各地新闻集锦
学英语单词
Acipenser schrencki
alum earth
amber suppression
anode converter
ASLAP
autio
bituminized paper
Branchiosaurus
Cai Tau Thuong
channel synchronizing pulse sep-arator
cherry-wood
chiasmal recess
christian education
clavicipitaceous
conglomeratus
conveying efficiency
crambids
criterion of equilibrium
croo monkeys
cyanoblast
drawn off
drift net
drill pipe elevator
drink to someone
flash exposure guide number
general geophysics
genus diplococcuss
gypcer
harmonically measurable
hoton
Huelma
individual retirement accounts
innotech
inregular terms
invoice with documents
irrotational flow
kneeandcolumn
Laplace point
launcer
lead-in-air indicator
lipoxygenase
lituma
log haul-up
measurement of available soil phosphorus
mechanical method
metabolic, metabolical
methow
morular
mosaic silver
multiple access satellite system
natural geochemistry
netscape communications corporation
Nichol's radiometer
non settlement
non-load bearing wall
non-Pascalian geometry
nonlinear functional analysis
norm system
olivines
opposite forces
pericaval
philologians
podencephalus
poikilionia
potassium metathioarsenite
primaquine hemolysis
Prinivil
pulsed-jet intensifier
pyrocatechin
quince bush
rate-meter
Regio brachialis anterior
releeve
reniant
rennet curdling
repletions
resin belt
right of confrontation
Risatalum
riverboating
roller small end face
saives
Second Reader
sector scan
sextin'
sexyback
show yourself out
shower test
Silverdalen
sinking of qi of middle-jiao
Sinp'yǒng
St-Louis
take reading
teleseismic distance
tendon passer
three pair
toll money
unbolts
uromyces fabae(pers.)de bary
uterine stimulant
waggier
white metal babbit bearing