已编程序的电子束

神奇校车带领孩子们进入浩瀚的科学领域,游梭于生物科学、地球科学、太空科学、气象学、古生物学等各门学科中。被纽约时报评为最新鲜有趣、最富有创意和想象力的科学启蒙方式。孩子

发表于:2018-12-06 / 阅读(81) / 评论(0) 分类 神奇校车系列丛书

Don: Some people seem to need significantly less sleep than others. Yael: Tell me about it. I have a friend who swears that she sleeps only five hours a night. If she's telling the truth, then she must be bionic. She seems to have plenty of energy, a

发表于:2018-12-28 / 阅读(74) / 评论(0) 分类 初学者听力文摘精选

本讲为 2006 年下半年新的教学内容,请对照教材,练习册和语法书听录音! personnel n. 1. (集合名词)全体人员(职员); 2. 人事(部门) The new director

发表于:2018-12-30 / 阅读(122) / 评论(0) 分类 自考英语(二)60讲

beam, [bi:m] n 大梁(建筑中用作支撑的木材、金属或石头);光柱;臀围;平衡木 【船】横梁; 船幅; 船舷 (秤)杆; (犁)柄; (锄)把; 卷轴; 横杆; 杠杆 (鹿角的)主干 (灯光、日光、月光等的)束, 道,

发表于:2018-12-30 / 阅读(107) / 评论(0) 分类 不择手段背单词

Three Scientists Win Nobel Prize in Chemistry Three scientists have won the Nobel Prize for chemistry for their work to simplify and improve the imaging of biomolecules. 三位科学家因为在简化和改善生物分子成像方面的成就获得了诺

发表于:2019-01-03 / 阅读(199) / 评论(0) 分类 2017年VOA慢速英语(十)月

The silence of men in general is overtalked about and overcriticized. To be sure, men never open up as much as women want them to, but there is a wordless understanding in which we function fairly well especially in friendships. 男人的沉默往往被

发表于:2019-01-08 / 阅读(54) / 评论(0) 分类 英语美文

Bob Beamon established himself as the favourite in the 1968 long jump by winning 22 of 23 meets in the pre-Olympic season. He almost met with disaster in the qualifying round. After fouling his first two attempts, he had only one try left. His teamma

发表于:2019-01-08 / 阅读(170) / 评论(0) 分类 英美文化

Chance doesnt exist But the path of life is not totally so predestined And time and chronology show us how all should be In the ways of existence To find out why we are here Being consciousness is a torment The more we learn is the less we get No one

发表于:2019-01-10 / 阅读(98) / 评论(0) 分类 英文摇滚歌曲

Are the machines taking over? Well not yet, but they are making quite an impression at the international travel fair in Berlin. Two humanoid robots - named Chihira Kanae and Mario - are at the event, to show how hey can be put to use in the travel an

发表于:2019-01-11 / 阅读(89) / 评论(0) 分类 cctv9英语新闻2016年

Damaged Robots Learn to Make Changes to Keep Working 能够自我修复的机器人 When a dog loses a leg, the animal eventually figures out the best way to get around on three legs. In a short time, the dog learns deal with its physical disability.

发表于:2019-01-12 / 阅读(97) / 评论(0) 分类 2015年VOA慢速英语(六)月

Right on the beam To fly by the seat of his pants 美国英语当中有许多成语和俗语都和过去的历史有关系。例如,美国开拓西部的过程给美国语言增添了不少色彩。可

发表于:2019-01-14 / 阅读(175) / 评论(0) 分类 美国习惯用语

[0:0]efficiency效率,功效 [0:12.1950]elaborate elastic elbow elderly精心计划的,详尽的 橡皮图,松紧带 肘,肘部 较老的,年长的 [1:2.6076]elect electrical electron选举,推选 电的,电气科学的 电子 [1:41.1372]electronic elegant element elementary [2:36.2790]el

发表于:2019-01-16 / 阅读(184) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

男人从未像女人那样开诚布公地说出自己的心里话,但无言的理解,在男人当中却很管用,尤其在维持友谊的时候。 也许男人天生就是彼此孤立的,孤独是我们的自然状态。即使成了朋友,也

发表于:2019-01-22 / 阅读(116) / 评论(0) 分类 英语美文

十六、形容词最高级省略结构 The crane is the tallest bird of the wading birds. 最高级后面的名词与范围名词重复,可以省略,句子变为The crane is the tallest of the wa

发表于:2019-02-01 / 阅读(74) / 评论(0) 分类 英文语法词汇

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

发表于:2019-02-05 / 阅读(115) / 评论(0) 分类 实用英语

Background carrier 本底载流子 Background doping 本底掺杂 Backward 反向 Backward bias 反向偏置 Ballasting resistor 整流电阻 Ball bond 球形键合 Band 能带 Band gap 能带间隙 Ba

发表于:2019-02-05 / 阅读(103) / 评论(0) 分类 实用英语

大学双语美文:男人间无声的友谊

发表于:2019-02-15 / 阅读(88) / 评论(0) 分类 阅读空间

Neutrons and protons occupy the atom's nucleus. The nucleus of an atom is tinyonly one millionth of a billionth of the full volume of the atombut fantastically dense, since it contains virtually all the atom's mass. As Cropper has put it, if an atom

发表于:2019-02-17 / 阅读(84) / 评论(0) 分类 万物简史

本期内容: IsGooglebiasedagainstpoliticallyconservativeusersandinfavorofpoliticallyliberalones? That'ssomethingthatanumberofRepublicans, includingU.S.PresidentDonaldTrumphaveaccusedGoogleofbeing, andRepresentativeLamarSmith,aRepublicanfromTexas,

发表于:2019-02-20 / 阅读(75) / 评论(0) 分类 夏说英语新闻晨读

1.我非常喜欢它。? I very like it I like it very much。 2. 这个价格对我挺合适的。 The price is very suitable for me。 The price is right。 Note:suitable(合适的、相配的)最常见的用法是以否定的形式出现在告示或

发表于:2019-03-05 / 阅读(128) / 评论(0) 分类 英语口语
学英语单词
abominating
accessory protein
accuracy control
acidic electrolysis bath
Ada group
anting-anting
apodeictical
applanometer
Arabianized
articulated-type diesel hydraulic locomotive
associate's degree
astrophysical fluid dynamics
autor-
bandolining
black-headed gull
call progress
cantabrias
Cardamine reniformis
Celsus' papules
chickenyards
Chico, R.
coelosomy
complex simple Lie group
coverage cycle
d.f.c.
debug heap
deplanement
docking area
DRH
dwellings
eodiscid
eriq
Erysimum sinuatum
etch copy
evaporator tower
falsiloquence
ficus caricas
gaborik
girleen
Guantol
honest reducibility
information need
jezekite
just friend
legal department
liddon
local arrangement
magnesite-alumina refractory
meadow jumping mice
micro-computings
mid-square method
military force
molecular knife
montmorillonite group
Māndāri
nafissa
normal earth fixed axis system
nuclear cell
ocular proptosis
Oligoplites
organization of shipping administration
outer throat diameter
p-leucaniline
pathomimia
polar symmetry
polyacene
polyisoprene
polystylistic
progressistes
proportional integral derivative controller
pulse-off period
rated ripple current
required field intensity
Rodby
salted food
SE-1702
seedling from spore
selective amnesias
self propelled sprayer
semirevolution
Sen'kove
serious disease
signal lever platform
slip form paver
stalderite
steal one's thunder
stock of wheat
strausbaugh
substituteless
summer-castle
survey of existing station yard survey
talking machine
The deuce you he can
thermograms
thomson's theory
timbul
tithly
transcription elongation
tremil
trousseaux
zoophagy