棕榈卷旋孢霉

Financial experts agree that part of the economic slowdown over the last few years can be attributed partly to the demise of the so-called dot-coms. Investors threw lots of cash at these start-up internet businesses, despite having no clear idea of h

发表于:2018-12-05 / 阅读(102) / 评论(0) 分类 英语听力文摘 English Digest

The complex vocalizations of songbirds are learned, not inherited. Some even have regional accents. Wrens, thrushes and other songbirds don't hatch with their impressive musical talents. They learn to sing their extensive repertoires by listening to

发表于:2018-12-05 / 阅读(97) / 评论(0) 分类 英语听力文摘 English Digest

President Bush says the key to a strong economy is the creation of more small business. But statistics show that most startups are doomed to fail. However, the experts agree that with planning and hard work a new company can beat the odds. This morni

发表于:2018-12-05 / 阅读(100) / 评论(0) 分类 英语听力文摘 English Digest

In the 17th century, the French scientist Pierre Gassendi knew that light traveled faster than sound. When a gun fired far away, he could see the flash of gunshot long before he heard the report. Gassendi tried to measure the speed of sound by clocki

发表于:2018-12-31 / 阅读(115) / 评论(0) 分类 英语听力文摘 English Digest

Cloning Pets Is animal cloning for real? I want to have my cat cloned. Well, animal cloning technology exists, but pet cloning isnt quite there yet. And it may never be. Why not? I could think lots of people could want to have copies of their pets. T

发表于:2019-01-26 / 阅读(112) / 评论(0) 分类 英语听力文摘 English Digest

AntIntrigue 蚂蚁的阴谋 Don: Hey,antslives are full of intrigue. Take slave-making ants. They invade other ants nests, kill some of the adults, and then steal the larvae and take them back to their own nests. The larvae learn who they belong to b

发表于:2019-01-26 / 阅读(110) / 评论(0) 分类 英语听力文摘 English Digest

The Ant and the Dove An ant went to the bank of a river to quench its thirst, and being carried away by the rush of the stream, was on the point of drowning. A dove sitting on a tree overhanging the water plucked a leaf and let it fall into the strea

发表于:2019-01-26 / 阅读(103) / 评论(0) 分类 英语听力文摘 English Digest

Topics: Migrant Farming in the U.S.; American Cities: Palm Springs, CA; patronizing versus condescending; to right every wrong; to belong to versus to belong with Words: migrant worker manual labor slave plantation to deport tactic boycott toxic play

发表于:2019-02-15 / 阅读(82) / 评论(0) 分类 美语听力 English Cafe

Topics: Tooth Fairy, Easter Bunny, progress versus process, would in the past tense, to be on the chunky side Words: fairy baby tooth theres no such thing bunny basket hunt egg shell palm thumbs up air quotes to give (someone) the finger to flip (som

发表于:2019-02-15 / 阅读(109) / 评论(0) 分类 美语听力 English Cafe

Ant Attack! Imagine this. Youre coming home to your gated community after a long day of work. As you stop to show the guard your ID, a mugger jumps out from behind a bush and grab s you by the mouth. Okay, that last part sounded a little weird, but t

发表于:2019-02-16 / 阅读(112) / 评论(0) 分类 英语听力文摘 English Digest

Topics: Famous Americans: Helen Keller; The Triple Crown of Thoroughbred Racing; opposable thumbs; due to versus because of; the prefix Mc Words: deaf blind sign language palm Braille magna cum laude companion advocate thoroughbred rare derby to spon

发表于:2019-02-23 / 阅读(89) / 评论(0) 分类 美语听力 English Cafe

The Parts of Metabolism 新陈代谢到底是什么? What is metabolism really? Statements like he can eat a lot because he has a fast metabolism are somewhat misleading. Metabolism isnt about the digestion of food in your stomach; its the name giv

发表于:2019-02-24 / 阅读(132) / 评论(0) 分类 英语听力文摘 English Digest

The Lithic Principle 我们生活的星球上自然法则是亘古不变的吗?我们人类是不是自我感觉太过于良好? Time again for the mailbox.Let's see.Here:A Moment Of Science,I heard recently that if the laws of nature were change

发表于:2019-02-24 / 阅读(115) / 评论(0) 分类 英语听力文摘 English Digest

Nutrigenomics 营养基因组学(nutrigenomics 或nutritional genomics,又叫营养遗传学 nutrigenetics)是研究营养素和植物化学物质对机体基因的转录、翻译表达及代谢机理的科学。 膳食是影响人体健康最重

发表于:2019-02-24 / 阅读(114) / 评论(0) 分类 英语听力文摘 English Digest

The Denatured Egg White 煮鸡蛋还有那么多学问哪?在煮鸡蛋过程,鸡蛋会发生哪些变化呢? 蛋白质变性(protein denaturation)是指蛋白质在某些物理和化学因素作用下其特定的空间构象被改变,从而导致

发表于:2019-02-24 / 阅读(115) / 评论(0) 分类 英语听力文摘 English Digest

Acanthostega 这种生物已经演化出前后肢,但每肢都有8趾。这种生物是从鱼类进化到两栖类的过渡产物。而且,它具有更多的鱼类特征,如有鳃、鳍和只能在水中起作用的感官。伦敦自然历史博

发表于:2019-02-24 / 阅读(120) / 评论(0) 分类 英语听力文摘 English Digest

Nice Set of Pipes 尽管管风琴对我们来说还是比较生疏的乐器,但它的发音原理与我国民间流传至今仍在使用的古老乐器芦笙十分近似。据史料记载,公元前250年前古希腊工程师克提西比奥(Ktes

发表于:2019-02-25 / 阅读(127) / 评论(0) 分类 英语听力文摘 English Digest

Topics: Famous Americans: Janis Joplin; compulsory education and truancy laws; to bask; to brace; to palm off; to follow ones hunch(es) Words: blues to catch the attention of lead singer solo artist to struggle with to relapse compulsory to play hook

发表于:2019-03-05 / 阅读(137) / 评论(0) 分类 美语听力 English Cafe

Topics: Psychological pricing; daytime soap operas; target versus objective versus purpose; the silent b: slumber versus plumber; there, there Words: whole number to make change to round up/down chain soap opera longest-running bizarre plot twist clo

发表于:2019-03-05 / 阅读(196) / 评论(0) 分类 美语听力 English Cafe

A Pain in the Ear 耳痛是一种常见病,耳痛为常见症状,常因耳部疾病引起(原发性或耳源性耳痛),也可因耳部邻近器官或其他器官疾病所致(继发性或反射性耳痛)。耳痛的严重程度与病变的

发表于:2019-03-09 / 阅读(387) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a prejudice against
a stiff upper lip
american redstarts
animal piece
antiviral protein
apertura interna canalis carotici
area of land
baggings
bailting
Bamboi
base resistace
Bersillies
beyond careing
blast shutter
bougy
breakdown impedence
breathableness
budget items
cape may warblers
capryiin
capsicum baccatums
cattle ranches
cheese eye
ciliary forceps
clubhaul
complex labor
contractant
degree of treatment
delta air chuck
demand shift
demand-backward pricing
Dexasine
disione
disturbance lead-forward
double dared
electronic configuration
elevator-ladder dredger
eurema hecabe
extraction of deuterium from seawater
ghost ramps
global area
gunjet
gutturalisation
half webbed
hardening time
harris tweeds
hydraulically-operated hatch covers
IGAM
international reserve
investment model
iztapalapa (ixtapalapa)
James Dewey Watson
Large Munsterlander
later period
legal protection of computer software
lift of flame
Lusambo
melcombe
minimization procedure
mixed gas producer
Natsingon
normal operating period
office-holder
outlet signal
overholding
oxide trapped charge
physical stimulation
pilwe
piritoxin
pre-shipment financing
punch configuration
quatrevingt-treize
rausher
reactor protection panel
reedlings
refractory ceramic coating
relief cam
rope form washing
rubble disposition
rummager sale
sacrificial rites
sea-wrack
seismic model
shaft encode
single-button
sinistrocular
snailfishes
spelling table
spondylarthritic
Tarlos
thistlethwaite
transaction data set record block
Trichomitus
two-decker
uncementcd
unessential expansion
USAMBRDL
useful length of screw thread
vacuum-tight container
vehbi
what's the deal
yozoes