叔碳原子

A Century of Memories (1940-1949) On the first Sunday in December 1941, Americans were doing what Americans did on any normal Sunday.

发表于:2018-11-28 / 阅读(294) / 评论(0) 分类 疯狂英语2003年

[00:00.00]Lesson 4 Atom [00:01.95]原子 [00:03.89]The really strange thing about atoms is that most of us will never see one. [00:08.87]原子最奇特之处在于绝大多数人永远也无法看到它。 [00:13.84]Atoms are so small that it's impo

发表于:2018-12-08 / 阅读(187) / 评论(0) 分类 赖世雄学英语第四册

雅思听力场景词汇:化学词汇 在雅思听力考试场景中,化学相关的场景的词汇较为生涩,平时生活中可能也运用得比较少,以下的词汇供大家参考喔。 molecule 分子 particle 粒子 ion 离子 particle

发表于:2018-12-19 / 阅读(243) / 评论(0) 分类 雅思英语

Why Diamonds Really Are Forever Diamonds are forever they say, and this is why: diamonds are the hardest substance known to exist. Nothing would scratch or damage a diamond,While a diamond can scratch any other material on the earth. Everything is

发表于:2018-12-27 / 阅读(150) / 评论(0) 分类 英语时差8,16

The Tertiary Education Commission (the TEC) announced the funding for polytechs and universities for the next 3 years. The TEC is the government organisation responsible for tertiary institutions like polytechs and universities so this is government

发表于:2018-12-31 / 阅读(217) / 评论(0) 分类 新西兰英语

By Greg Flakus Scientists in Texas are trying to find a way of reducing carbon dioxide air pollution by capturing the gas, compressing it and then putting it underground. This technique could also yie

发表于:2019-01-03 / 阅读(195) / 评论(0) 分类 VOA2004(下)--健康科技

We have bigger houses and smaller families; more conveniences, but less time; we have more degrees, but less common sense; more knowledge, but less judgement; more experts, but more problems; more medicine, but less wellness. We have multiplied our p

发表于:2019-01-08 / 阅读(153) / 评论(0) 分类 英语美文

We have multiplied our possessions, but reduced our values. We talk too much, love too little and lie too often. We've learned how to make a living, but not a life; we've added years to life, not life to years. We have taller buildings, but shorter t

发表于:2019-01-11 / 阅读(196) / 评论(0) 分类 阅读空间

South Africa University Students Ponder Future At the end of last year, about 350,000 Grade 12 students in South Africa passed their final exams. While some celebrated, others pondered their next move. In reality, a very small group of those who had

发表于:2019-01-14 / 阅读(185) / 评论(0) 分类 VOA标准英语2012年(二月)

And how, you may reasonably wonder, can scientists know what oxygen levels were like hundreds of millions of years ago? 你也许有理由想知道,科学家们怎么会知道几亿年以前的氧气浓度? The answer lies in a slightly obscure b

发表于:2019-01-17 / 阅读(201) / 评论(0) 分类 万物简史

(一)a is n times as small (light,slow,)as b. a is n times smaller (lighter, slower,) than b. 以上两句均应译为:a的大小(重量,速度,)是b的1/n[或a比b小(轻,慢,)(n-1)/n]. e.g. The hydrogen atom is near1y l6 times as

发表于:2019-01-17 / 阅读(218) / 评论(0) 分类 英语口译

英语中表示倍数减少的表达方法(一)a is n times as small (light,slow,)as b. a is n times smaller (lighter, slower,) than b. 以上两句均应译为:a的大小(重量,速度,)是b的1/n[或a比b小(轻,慢,)(n-1)/n]. e.g

发表于:2019-01-17 / 阅读(211) / 评论(0) 分类 英语口译

Fortunately more sober types were at work elsewhere. In 1808, a dour Quaker named John Dalton became the first person to intimate the nature of an atom (progress that will be discussed more completely a little further on), and in 1811 an Italian with

发表于:2019-01-29 / 阅读(193) / 评论(0) 分类 万物简史

Because the British were the most active in the early years, British names are predominant in the geological lexicon. Devonian is of course from the English county of Devon. Cambrian comes from the Roman name for Wales, while Ordovician and Silurian

发表于:2019-01-29 / 阅读(185) / 评论(0) 分类 万物简史

俗话说:一母生九子,九子各不同。这句话在我邻居家孩子的身上体现得淋漓尽致。大女儿心灵手巧,做什么像什么;而二女儿却刚好相反,总是笨手笨脚。All thumbs就用来形容她这种笨手笨脚

发表于:2019-02-06 / 阅读(172) / 评论(0) 分类 实用英语

等外品 off-grade goods, rejects 邓小平外交思想 Deng Xiaoping's diplomatic thoughts 低调 low keyed (a metaphor for taking a cautious and slow approach) 第三产业 third/tertiary industry,

发表于:2019-02-08 / 阅读(181) / 评论(0) 分类 考研英语

HARBIN, Jan. 31 (Xinhua) -- Carbon monoxide has been blamed for the Tuesday deaths of 12 workers in a coal mine in northeast China's Heilongjiang Province, a local official said Thursday. Three workers entered the Yongsheng mine in Dongning County to

发表于:2019-02-08 / 阅读(228) / 评论(0) 分类 英语新闻

They keep a Whale's Rib of an incredible length for a Miracle, 庙里把一根长得叫人不能置信的肋骨保存在那里, which lying upon the Ground with its convex part uppermost, makes an Arch, the Head of which cannot be reached by a Man

发表于:2019-02-17 / 阅读(202) / 评论(0) 分类 白鲸记

1.心事重重 some thing weighs heavily on ones mind The boss is quite down these days. He seems to have something weighing heavily on his mind. 老板这几天沉默寡言,看起来好像是心事重重的 2.苦苦哀求 press ones suit She press

发表于:2019-02-19 / 阅读(198) / 评论(0) 分类 英语口语

BEIJING, Sep. 16 (Xinhuanet) -- Government incentives are important to pave a low-carbon road to economic growth, but companies that improve their industry models and technologies are the main players and also benefit receivers, noted officials and i

发表于:2019-02-25 / 阅读(229) / 评论(0) 分类 英语新闻
学英语单词
acute mediastinitis
ADCOM
alderin
Ampasimbe
an(a)emic
Ansar
anti-fan
antiking
Back to the salt mine
bank law
Beit Younous
brake action
calcium bromolactobionate
capital insurance
carbon cup atomizer
casing upper half
certificate of identity
cirrhilabrus rubrimarginatus
computer oriented language
Cuilo
damaged insulator
dark radiation
decompound leaves
defaults
defectual
deflection ratio
dielectric strip line
distance reading instrument
domestic company
doubly degenerate
ductus efferens
Dyschoriste sinica
economic load dispatch
equalizing cylinder cap
fireless
flinns
food-bornes
fracture of head of radius
fusion plasma
Glaspell
half a mo
hastily
horny skin layer
howdied
ian maclaren
idle-capacity cost
immediate predecessor
import parity price
intermidiate
Iris chrysographes
jackoff
kinglike
Kyrö
Lachnoloma lehmannii
laser pulse width
man of letters
mandibulation
meso-naphthadianthrene
navigation communication satellite
neo-kyotorphin
neonatal beriberi
Nizam
open return
organization adaptations
osteryoung
overbiased amplifier
ovulational age
pelekium bifarium
personal assessment
pityriasis lichen oides chronica
power planning application
pracademics
premarket
pressure-time diagram
propulsion capacity
ridge drill
science projects
second derived set
Semipelagianism
shillelah
shogol
solubly
speak in tongues
spreader firing
storage calorifier
subsaltusaphis taoi
sunday dress
surface scraping
syntheticroute
tartrelic acid
test rod
time horizon to failure
toxic sites
train of superior class
trisilane
true-love
underdeveloped socialism
unemboldened
unirational
whoopy doo
windingweed
wire netting letter basket