un. 元素次数

Today that sounds ridiculous. 今日这种说法听来荒唐 But two hundred years ago it didn't seem so unlikely. 但是两百年前还颇言之成理 It was widely believed that 当时一般人认为 the Earth was only a few thousand years old. 地球

发表于:2018-12-07 / 阅读(101) / 评论(0) 分类 太阳科普

The composition of the sun lies in this bar code. 这个条码说明了太阳的组成 All the thin lines are caused by tiny amounts of complex elements 这些细细的线条,都是微量复杂元素造成的 metals like iron and magnesium. 好比说

发表于:2018-12-07 / 阅读(114) / 评论(0) 分类 太阳科普

[00:01.02]A year later, [00:02.36]she found a note under her door from eddy, [00:05.01]telling her that she was still the best teacher [00:07.17]he ever had in his whole life. [00:09.74]But the story doesn't end there. [00:11.91]Twenty years went by

发表于:2018-12-13 / 阅读(187) / 评论(0) 分类 北师大版高中英语模块9(选修)

From NPR News in Washington, I'm Barbara Klein. The US Intelligence Community in Afghanistan has been sharply criticized by one of its own. Major General Michael Flynn, a Deputy Chief of Staff for Intelligence for the US and NATO in Afghanistan, says

发表于:2018-12-24 / 阅读(93) / 评论(0) 分类 2010年NPR美国国家公共电台1月

Enable to do sth. Beneficial--- by/from Criticize Shortcomings Human Resources prevent--- prevent from Device--- facility Recovery Know-how Expert Emphasis---imphases Be lack of = short of Factor--- e

发表于:2018-12-30 / 阅读(207) / 评论(0) 分类 自考英语(一)78讲

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(111) / 评论(0) 分类 经济学人科技系列

In 2012, Rena Sard was sentenced to five years in prison at the Maryland Correctional Institute for Women. She was 47 years old. I didnt have five years of my life to wasteSo, every chance that I had to do something that was productive, something tha

发表于:2019-01-03 / 阅读(143) / 评论(0) 分类 2017年VOA慢速英语(十二)月

十二星座的学习能力大曝光 Aries 白羊座 (3月21日~4月20日) The fire element of Arise brings assertive I energy. 火相星座的特质使白羊座具有非常自信的自我力量。 TIPS: Your persistence will lead you to success. B

发表于:2019-01-03 / 阅读(104) / 评论(0) 分类 趣味英语

十二星座箴言 Aries 白羊座 (3月21日~4月20日) The fire element of Arise brings assertive I energy. 火相星座的特质使白羊座具有非常自信的自我力量。 TIPS: Your persistence will lead you to success. But your impulsive te

发表于:2019-01-03 / 阅读(111) / 评论(0) 分类 趣味英语

Aries 白羊座 (3月21日~4月20日) The fire element of Arise brings assertive I energy. 火相星座的特质使白羊座具有非常自信的自我力量。 TIPS: Your persistence will lead you to success. But your impulsive temper may cause prob

发表于:2019-01-03 / 阅读(80) / 评论(0) 分类 趣味英语

新春将近,老一辈的人总是在新的一年开始的时候根据生肖算一下自己来年的运气,而年轻人则会针对自己的星座测算一下新的一年里的运程。星座是西方人的传统性格分析学问,但你知道怎

发表于:2019-01-07 / 阅读(71) / 评论(0) 分类 英语日常口语

Refuel tempted to skip meals and pull late nights when you feel the heat at your work? Both could lead to burnout. Get six to eight hours of sleep and go to bed at the same hours every night. Aovid big meals but high-cabon, low-fat snacks every few h

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

Refuel tempted to skip meals and pull late nights when you feel the heat at your work? Both could lead to burnout. Get six to eight hours of sleep and go to bed at the same hours every night. Aovid big meals but high-cabon, low-fat snacks every few h

发表于:2019-01-08 / 阅读(48) / 评论(0) 分类 英语美文

AS IT IS 2016-06-11 Four New Elements Added to Periodic Table 元素周期表新增四种元素 Four new chemical elements have been officially added to the periodic table. 四种新的化学元素被正式加入到元素周期表中。 The Internati

发表于:2019-01-12 / 阅读(79) / 评论(0) 分类 2016年VOA慢速英语(六)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(166) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

The structure of atoms and the significance of protons will come in a following chapter, so for the moment all that is necessary is to appreciate the organizing principle: hydrogen has just one proton, and so it has an atomic number of one and comes

发表于:2019-01-29 / 阅读(61) / 评论(0) 分类 万物简史

Ruth: So Akane, is there anything that youre frightened of? Akane: Well Im, Im really scared of horror movies. I never watch them, cuz they really really frighten me. Ruth: Horror movies wow. Have your ever seen a horror movie? Akane: Well, um, when

发表于:2019-01-30 / 阅读(56) / 评论(0) 分类 英语访谈对话

星座(Zodiac Sign)是占星学(astrology)中必不可少的组成部分之一,也是天上一群群的恒星组合(constellation)。 人们用星座来分析性格,每个星座都有特定的性格特征,小编帮你整理出来,可

发表于:2019-02-08 / 阅读(275) / 评论(0) 分类 英语口语

ARIES: 白羊座: The fire element of Arise brings assertive I energy. 火相星座的特质使白羊座具有非常自信的自我力量。 Tips:Your persistence will lead you to success. But your impulsive temper may cause problems. 学习相:坚持会

发表于:2019-02-09 / 阅读(61) / 评论(0) 分类 阅读空间

As you might expect, oxygen is our most abundant element, accounting for just under 50 percent of the Earth's crust, 你也许会想到,氧是最丰富的元素,占地壳的将近50%。 but after that the relative abundances are often surprising.

发表于:2019-02-25 / 阅读(55) / 评论(0) 分类 万物简史
学英语单词
accuracy of form and position
aeronautical physics
american cotton
amplifying delay line
androgynoid
archaeogeneticist
astrictly
be low in
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bicarpellary
bollard condition
brakings
Cameroidea
carelloes
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cocksurenesses
collograph
complete section
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contusion mortar
cordia gerascanthuss
cupric metaborate
cwh
cynareous
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dimethylamine agueous solution
division Anthophyta
duct gland
elaterium
elina
embolic infarction
enercology
every dark cloud has a silver lining
exuperant
eyesome
family hominidaes
fast line
flatness of wave
flexure flow fold
follow sb's cue
foreground-initiated background
gives the boot
granite pavement
Greenback Party
hearing-loss
hugin
impinge against
inorganic chemical reagent
inter country adjustments
international subcontracting
interview for a job
intrafollicular
investable, investible
ischemic stroke
jungermaniaceae anacrogyunae
juva
kahnle
Lazarus taxon
lsn
march with the times
mental states
military-medical
morpholinium compound
myocardial infarctectomy
nonburdensome
oar one's way
opporunity
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passing muster
pink borer
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pries
privately owned
probable causes
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randomization analyzer
regulation test
rotary body producer
rowh
scavenger concentrate
Second day
self-emancipations
sexual abuses
Sloanea assamica
slot-loading
sorption isotherm
spectre at the feast
spherical refracting surface
sub-element
synorogenic period
technical safety measure
textiler
the tale of genji
thitsi
Trinity Brethren
triphenyltetrazolium chloride
ultraviolet colo(u)r excess
unstuffing
wall and crown knot
wrynesses
Zendium