[化] 质能关系
[医] 质能关系

Broadcast: Jan 22, 2003 By Marilyn Christiano VOICE ONE: This is Steve Ember. VOICE TWO: And this is Sarah Long with the VOA Special English program, Explorations. Today we tell about a scientist who

发表于:2018-12-07 / 阅读(130) / 评论(0) 分类 VOA2003(上)-科技导航

Module 1 Relationships [00:04.40]模块 一 关系 [00:08.80]UNIT ONE Meet my family [00:10.93]单元一 遇见我的家庭 [00:13.06]Look and read [00:14.64]看并且读 [00:16.22]grandfather grandmother [00:19.04]祖父 祖母 [00:21.86]father moth

发表于:2018-12-13 / 阅读(178) / 评论(0) 分类 江苏译林版牛津小学英语(3起)三年级上册

module 2 Relationships [00:19.28]模块二 关系 [00:21.26]unit 1 Relatives [00:23.33]单元 一 亲戚 [00:25.39]Look and learn [00:26.81]看并且学习 [00:28.24]This is Alice's family tree. [00:30.52]这是艾丽丝的家世。 [00:32.81]grandmo

发表于:2018-12-13 / 阅读(164) / 评论(0) 分类 江苏译林版牛津小学英语(3起)三年级上册

[00:05.09]Part 1 [00:07.84]WARMING UP [00:10.40]Look at the map of China and the names of countrles, [00:16.25]islands and seas beyond China. [00:20.40]What are the positions of the different places and waters in relation to China? [00:27.17]The East

发表于:2018-12-18 / 阅读(190) / 评论(0) 分类 高中英语人教版高一

虚实篇 NO.7: 夫兵形象水,水之形,避高而趋下,兵之形,避实而击虚。 水因地而制流,兵因敌而制胜。 故兵无常势,水无常形。 能因敌变化而取胜者,谓之神。 故五行无常胜,四时无常位

发表于:2018-12-29 / 阅读(97) / 评论(0) 分类 孙子兵法

坚持不懈,直到成功。 我们每天的奋斗就像对参天大树的一次砍击,头几刀可能了无痕迹。每一击看似微不足道,然而,累积起来,巨树终会倒下。这恰

发表于:2019-01-03 / 阅读(115) / 评论(0) 分类 四六级词汇与结构练习

分集介绍:导数,斜率,速度与变化率 Derivatives.slope.velocity.rate.of.change

发表于:2019-01-05 / 阅读(356) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

One hundred years ago today, September (the) 27th, 1905, a physics paper was dropped into the mail, addressed to a German journal called AT. The paper was penned by a 26-year-old Swiss patent clerk with dark curly hair years before he sprouted that s

发表于:2019-01-08 / 阅读(178) / 评论(0) 分类 2005年NPR美国国家公共电台

托福语法讲解: 主谓一致

发表于:2019-01-16 / 阅读(89) / 评论(0) 分类 英文语法词汇

VIENTIANE, Dec. 5 (Xinhua) -- Laos and China pledged on Monday to deepen military exchanges and cooperation, strengthen unity and friendship between the two countries'militaries and work together to maintain regional peace and stability. The vows cam

发表于:2019-01-20 / 阅读(108) / 评论(0) 分类 英语新闻

The mystery of what could count for the quasars' extraordinary brightness was the hot topic in astronomy during the 1960s. As astronomers began to grapple with the new enigmatic objects that had been found by the radio telescopes, one astronomer, kee

发表于:2019-01-23 / 阅读(88) / 评论(0) 分类 探索与发现2013年

Science and Technology 科技 Looking for the Higgs 捕获希格斯粒子 Enemy in sight? 敌军现身? The search for the Higgs boson is closing in on its quarry 希格斯玻色子的研究逼近其目标 ON JULY 22nd two teams of researchers base

发表于:2019-01-26 / 阅读(84) / 评论(0) 分类 经济学人科技系列

EXPLORATIONS – Albert Einstein By Marilyn Christiano Broadcast: Wednesday, February 23, 2005 VOICE ONE: This is Steve Ember. VOICE TWO: And this is Sarah Long with the VOA Special English program, E

发表于:2019-01-28 / 阅读(126) / 评论(0) 分类 Explorations

A-bomb, atomic bomb 原子弹 absorption 吸收 to accelerate 加速 accelerating chamber 加速室 accelerator 加速器 synchrocyclotron 同步回旋加速器 synchrotron 同步加速器 betatron 电子

发表于:2019-02-03 / 阅读(139) / 评论(0) 分类 英文语法词汇

RIYADH, Jan. 15 (Xinhua) -- Visiting Chinese Premier Wen Jiabao and Saudi Arabia's King and Prime Minister Abdullah bin Abdul-Aziz agreed on Sunday to make concerted efforts to enhance bilateral relations under a strategic framework. In their meeting

发表于:2019-02-14 / 阅读(80) / 评论(0) 分类 英语新闻

His famous equation, E =mc 2 , did not appear with the paper, but came in a brief supplement that followed a few months later. As you will recall from school days, E in the equation stands for energy, m for mass, and c 2 for the speed of light square

发表于:2019-02-17 / 阅读(92) / 评论(0) 分类 万物简史

释义: go back (to)回到某处,逆流而上 可以用 go back to+地点来表示回到某处,如果要表示暂时停止一会,重新开始时就要用 go back to+名词/...ing。因此 go back out there 表示重新开始跑。 例句: G

发表于:2019-02-19 / 阅读(98) / 评论(0) 分类 老外最常用的英文短语

本期真题 1.Our son doesn't know what to _______ at the university; he can't make up his mind about his future. A) take in B) take up C) take over D) take after 2.Although they plant trees in this

发表于:2019-02-19 / 阅读(117) / 评论(0) 分类 英文语法词汇

R at random 随机的,任意的 at any rate 无论如何,至少 had/would rather…than 宁愿…,而不愿 rather than 而不,不顾 by reason of 由于 reckon on 依靠,指望 reckon with 估计到,预

发表于:2019-03-11 / 阅读(155) / 评论(0) 分类 考研英语

R at random 随机的,任意的 at any rate 无论如何,至少 had/would rather…than 宁愿…,而不愿 rather than 而不,不顾 by reason of 由于 reckon on 依靠,指望 reckon with 估计到,预

发表于:2019-03-11 / 阅读(175) / 评论(0) 分类 考研英语
学英语单词
a hell of a
actecs
Al Qādisīyah, Liwā'
all day
alpha-glucans
amalgam catcher
American Academy of Forensic Sciences
atlantic bonitoes
built-up rim
by bidder
cannale
car tyre deflated
cerapachys longitarsus
Chikula
christen
coeder
colanguages
common louse
cry(o)-
cryptococcal meningitis
dark ray
diagonal voltage bridge
dihydrouracil
do as one wishes
electrical clock receptacle
entry of goods outward
even parity
fasciculi mamillotendinei (mm. dorsi)
fire -fighting equipment
fixed steady
geohydrologic unit
giler
health-policy
hiam
HiNIL
holarrhessimine
homoaconitase
intermediate cooling circuit
iron overloads
jennerize
kaubs
Knights of Labor
Lambertian distribution
laudabilities
lesser pelvis
letterpaper
link capacity
liquor kalii arsenitis
lower one's sail
lunar module pilot (lmp)
margin after exercise
marking of drill pipe
meliboeus shimomurai
microslide
mobile-hearth furnace
Mosgovoyia
mutual trust
mwethya
naphthous
national opera
network-ready
nndp
noctilucin
non-metallic whisker
obradovich
off-line euqipment
op-amp
phasm
pleinair
plumb derrick truck
presheaf
pretas
reddish brown soil
relative deformation gradient
residualisms
rotato-
rough-axed brick
Sangmélima
sanguinary
scorchio
simply connected
somaticizes
sound cage
squibbers
Stink-Weed
tall men
tectonic history
theory of connection
to make a fast buck
to the best of
trunk roads
two way sulky plow
typhuss
unfree variation
unwarrantability
Ust'-Borzya
visible oil flow gauge
water-treatments
wharel
wig trees
wilkins micawbers