齿状核门

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move

发表于:2018-12-01 / 阅读(354) / 评论(0) 分类 历年考研英语阅读理解

I'm sure that, throughout the hundred-thousand-odd years of our species' existence, and even before, 我十分确信在人类诞生以来的大概10万多年,甚至比这更长的时间里 our ancestors looked up at the night sky, and wondered what

发表于:2018-12-05 / 阅读(109) / 评论(0) 分类 TED演讲国际问题篇

As we mentioned a while back in BEP 101 (Click this link to listen to the podcast), a strong introduction is important to give your audience a reason for listening. Similarly, a strong conclusion is very important to leaving your audience with a grea

发表于:2018-12-05 / 阅读(111) / 评论(0) 分类 商务英语演讲课

As they grow bigger and bigger, 随着体积越来越大 they start to spin and throw out a disk of debris 它们开始旋转,甩出的碎屑形成盘状 that will coalesce to form a solar system. 在日后融合形成太阳系 This kind of process

发表于:2018-12-07 / 阅读(154) / 评论(0) 分类 太阳科普

OK, one more thing, if I can even get more bizarre. 另外还有一件事是更难以想象的 Since virtually all the mass of an atom is in the nucleus 既然事实是原子的全部质量集中在原子核, now, there is some amount of mass in th

发表于:2018-12-08 / 阅读(121) / 评论(0) 分类 TED演讲教育篇

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h

发表于:2018-12-12 / 阅读(133) / 评论(0) 分类 英语小短文

Information Overload By Robert S. Boyd Knight Ridder Newspapers. Distributed by Tribune Media Services International. Are you overwhelmed by the amount of information these days? 1 Ever feel overwhelm

发表于:2018-12-19 / 阅读(133) / 评论(0) 分类 彭蒙惠英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Athletes have obviously been tempted to use performance enhancing anabolic steroids. Drug testing may discourage such use. But a new study finds that some of the perfo

发表于:2018-12-24 / 阅读(122) / 评论(0) 分类 Scientific American(九)月

Why are there males and females? Why are there two sexes instead of three, or twelve, or one? On this Moment of Science we'll learn why two is the magic number. Let's start with why there is sex at all. When two organisms reproduce sexually, sperm an

发表于:2018-12-27 / 阅读(93) / 评论(0) 分类 英语听力广播—Listening

Science and Technolgy. 科技。 Modern alchemy. 现代炼金术。 Turning a line. 进入新的一行。 The race to extend the periodic table continues. 扩展元素周期表的比赛仍在继续。 ONE of the first inklings that chemistry has an u

发表于:2018-12-31 / 阅读(170) / 评论(0) 分类 经济学人科技系列

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 Scientific American(八)月

The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

发表于:2019-01-08 / 阅读(175) / 评论(0) 分类 英语小短文

歌曲 : Illuminati 艺人 : Prodigy 音乐星级 : ★★★ 所属专辑 : H.N.I.C. Part 2 发行年代 : 2008 风格 : Hip Hop 介绍: Mobb Deep是由来自纽约的两位天才绕舌手Havoc和Prodigy于1992年组建的以硬核说唱为主的绕舌二人组.两人在上高中时相识,1992年组队投身

发表于:2019-01-11 / 阅读(215) / 评论(0) 分类 饶舌音乐

By Carolyn Weaver New York 25 June 2007 The 18th annual Human Rights Watch International Film Festival, now underway in New York, is a collection of often harrowing films, both fictional and documentary. They run the gamut of subjects, from environme

发表于:2019-01-13 / 阅读(195) / 评论(0) 分类 2007年VOA标准英语(六月)

By Jim Malone Washington 28 March 2007 U. S. Senator Hillary Clinton's presidential campaign has picked up the endorsement of a prominent women's organization. The endorsement followed appeals by Clinton and her Democratic Party rivals for labor unio

发表于:2019-01-13 / 阅读(124) / 评论(0) 分类 2007年VOA标准英语(三月)

Science and Technology Stress and ageing A question of attitude 科技 压力和老化 一个态度问题 The link between chronic stress and a marker of old age is being disentangled 科学家发现了长期压力与一个衰老标志间的联系 TE

发表于:2019-01-26 / 阅读(125) / 评论(0) 分类 经济学人科技系列

Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur

发表于:2019-02-05 / 阅读(145) / 评论(0) 分类 托福英语

Particles can come into being and be gone again in as little as 0.000000000000000000000001 second (10-24). Even the most sluggish of unstable particles hang around for no more than 0.0000001 second (10-7). 粒子可以在短达0.000 000 000 000 000 0

发表于:2019-02-17 / 阅读(123) / 评论(0) 分类 万物简史

Meanwhile the tireless Rutherford, now back at Cambridge as J. J. Thomson's successor as head of the Cavendish Laboratory, came up with a model that explained why the nuclei didn't blow up. He saw that they must be offset by some type of neutralizing

发表于:2019-02-17 / 阅读(115) / 评论(0) 分类 万物简史

The Source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

发表于:2019-02-25 / 阅读(105) / 评论(0) 分类 双语有声阅读
学英语单词
achalasias
admiralty division
adtorsion
all relay system
allium scorodoprasums
annaler
Argyroderma
atran
base 2
batrachomyomachia
benzocyclic
bernadines
black
bondoc
bookstaber
brake pads
burnout heat flux
c.d.c
Cancon
cavitation condition
center fit wire rope core (cfrc)
chain-derivation
chart recording paper
cibas
color laser printer
come near doing sth
Committed Facility
compound acacia powder
congestion management charge
crossfire burner
cyberplace
cyclamine
dactylospora stygia
detd.
direct-injection pump
dromogram
dysadrenocorticism
epifascial injection
escape structure
ethizone
Eurantina
fachans
fahmarr
feedback heter
formation of gemmales
founder-member
free-flooding tank
freight trains grouping plan
general culture
image surface curvature
imido-halide
incurvature
indian-american
INTELSAT control center
intercom speakers
jute and plastics mixed bag
kiddie cocktail
laminated belting
lapsus unguium
Malheur County
mechanical-brake
Messenians
metopoplectus taiwanensis
mode switching
Montemonaco
NAVEODTECHDIV
NESCWS (Non-Essential Service Chilled Water System)
nethercott
offsidest
perineal hypospadias
piedmont (piemonte)
plate movement
pomas
razor cut
returns on investment capital
Rostellularia khasiana
science of science
sinus arrhythmia
snackman
standard PAL
stansbury
stoles
stoneless preserved cherry-apple
subrata
superenciphement
tarissa
terpene solvent
theoretical knowledge
time-independent perturbation
transsexes
Trouton's rule
Tworóg
type 22 repeater
unprovincial
variety decline
viscous force
vitamin b6
watery
webmonkey
West Australian Ridge
What are you thinking about
windpuffs