[化] 给电子基团; 电子供给基团

high-and-mighty 傲慢的(非正式) 英文释义 Overly proud of oneself; feeling more important thanother people. 例句 Since she won the prestigious prize last month mysister has been acting very high-and-mighty andnever returns anyone's phon

发表于:2018-11-29 / 阅读(154) / 评论(0) 分类 每日商务英语

In the square outside the British Library in London is a sculpture of Sir Isaac Newton - The first man who asked why apples seem always to fall towards the centre of the earth. Maybe they chose it for the spot because it shows a great scientist at wo

发表于:2018-12-07 / 阅读(114) / 评论(0) 分类 英文杂志-Magazine

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin

发表于:2018-12-24 / 阅读(132) / 评论(0) 分类 Scientific American(九)月

5. The brain finds it best to keep smell receptors available for unfamiliar and emergency signals such as the smell of smoke, which might indicate the danger of fire. 【分析】复合句。句子主干为 The brain finds it best to keep smell recep

发表于:2018-12-30 / 阅读(88) / 评论(0) 分类 考研英语长难句讲解

向帮助过你的人表达感谢可能是很简单的一句话,但是会为你带来良好的人际关系哦。因此,怎样在接受帮助之后表达感谢就显得尤为重要了。 Thanks a million. I really appreciate it. 万分感谢,真的

发表于:2018-12-31 / 阅读(196) / 评论(0) 分类 cri职场英语

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(204) / 评论(0) 分类 2017年VOA慢速英语(十)月

[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(193) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a

发表于:2019-01-17 / 阅读(101) / 评论(0) 分类 TED演讲教育篇

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(130) / 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(122) / 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(116) / 评论(0) 分类 实用英语

麻省理工学院发生枪击案 BOSTON, the United States, April 18 (Xinhua) -- The Massachusetts Institute of Technology (MIT) on Thursday night reported on its website that gunshots were reported late in the night on campus. At least one police o

发表于:2019-02-05 / 阅读(307) / 评论(0) 分类 英语新闻

人在职场,要和同事处好关系,也要和客户打好交道。那么,就少不了对人家说几句感谢的英语。以下都是口语中常用的谢辞,来学学看吧! Thanks a million. I really appreciate it. 万分感谢,真的是

发表于:2019-02-12 / 阅读(108) / 评论(0) 分类 实用英语

Finally, in 1926, Heisenberg came up with a celebrated compromise, producing a new discipline that came to be known as quantum mechanics. At the heart of it was Heisenberg's Uncertainty Principle, which states that the electron is a particle but a pa

发表于:2019-02-17 / 阅读(94) / 评论(0) 分类 万物简史

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(92) / 评论(0) 分类 万物简史

1. A number of factors are accountable for this situation. A number of factors might contribute to (lead to )(account bspfor ) the phenomenon(problem). 2. The answer to this problem involves many factors. 3. The phenomenon mainly stems

发表于:2019-02-17 / 阅读(75) / 评论(0) 分类 四六级写作指导

人在职场,要和同事处好关系,也要和客户打好交道。那么,就少不了对人家说几句感谢的英语。以下都是口语中常用的谢辞,来学学看吧! Thanks a million. I really appreciate it. 万分感谢,真的是

发表于:2019-02-19 / 阅读(75) / 评论(0) 分类 英语新闻

英语考试作文常用原因句型 原因 1.A number of factors are accountable for this situation. A number of factors might contribute to (lead to )(account for ) the phenomenon(problem). 2. The answer to this problem involves many factors. 3. Th

发表于:2019-02-21 / 阅读(108) / 评论(0) 分类 英语作文

The Microscopic Technique Each advance in microscopic technique has provided scientists with new perspectives on the function of living organisms and the nature of matter itself. The invention of the visible light microscope late in the sixteenth cen

发表于:2019-02-25 / 阅读(126) / 评论(0) 分类 双语有声阅读

政府召集有关专家开会商讨如何解决交通拥堵,大家各抒己见:一、私家车增多,应提高税收,控制数量。二、路况恶劣,应扩建道路。三、人车混行,应分道行驶。 For the sake/purpose of solvin

发表于:2019-02-25 / 阅读(204) / 评论(0) 分类 英语作文
学英语单词
-actide
abnormal fanshaped fold
active side
Alizarin Yellow
articles of confederation
Baker's rule
Bardu
be earnest about
be in sb's skin
bioform
bound into
broner
butt-munches
centre of symmetry
circuit re-entrancy
circulating unbalance
clamshell fixture
conversion of time
culicoides (culicoides) malayae
cuoger telegram
cylinder-head bolt
detonation stability
direct causation
dispersing squab raising
displicence
DVD9
epinephrin(e) hydrochoride
expedor phase advancer
exxon-valdez
fishkoes
fitzalans
floating bottom
foreign body giant
front-axle
giga-sievert
gonocephalum coenosum
Gorton, John Grey
HRGP
hydraulic leak
kelric
Kirsty
know ... from
Korega
La Chapelle-St-Quillain
Lappish
liberal criminal law
live and learn
mass storage executive capability
Mathis Field
mechanical paraffin removal
micrasters
milners
modulation codon
Mycobacterium tuberculosis
non-enforcement
non-resident account
nonventral
off-season nursery
Omeral
participative leader
paste drying
periodic emission
Philippan
phosphotransacetylase
Pilot Pressure
plated crystal
point-shaving
polycystic liver
preist
propeller blade element theory
prototype missile
re-engineer
recipient of the technology transferred
reduced white lead
relational semantics
resinous wood
retarder thinner
rock temperature gradient
rolling introduction
saccharifies
search reflector
short-time capability
single-sided magnetically linear motor
snake formation search
solanum miyakojimense
solid rivet
sqft
stress-relieve
subordinated capital note
tag card
testimony of a witness
Tetra-tablinen
them and us
time-and-frequency dissemination
transform operator
triphenylchlorosilane
valley basin
water lobelia
windowing software
xanthevodine
yolk envelope
zoospermatic