发射元件,辐射单元

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(97) / 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(107) / 评论(0) 分类 太阳科普

[00:04.53]Unit 22 Environmental Protection [00:08.85]Lesson 1 Global Warming [00:12.39]Can we take the heat?In the last few decades, [00:16.95]environmentalists have reported [00:19.02]that human beings are causing changes [00:22.29]in the Earth's cl

发表于:2018-12-13 / 阅读(133) / 评论(0) 分类 北师大版高中英语模块8(选修)

[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(180) / 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(89) / 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(199) / 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(102) / 评论(0) 分类 经济学人科技系列

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(99) / 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(106) / 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(76) / 评论(0) 分类 趣味英语

A mega-city is set to appear in China, which would be home to around one-tenth of the country's population. 一座超级城市即将出现在中国,届时将容纳该国大约十分之一人口。 More than 100 million residents would be living wit

发表于:2019-01-03 / 阅读(57) / 评论(0) 分类 阅读空间

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(66) / 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(47) / 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(44) / 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(75) / 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(158) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

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(53) / 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(210) / 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(53) / 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(46) / 评论(0) 分类 万物简史
学英语单词
actinic keratoses
adaptation
air-cooled gasoline engine
antidestructive
atomic spectra
atomic state
Baojingia
barbertonite
be blown off course
beslavering
Binuangan
blotchy surface
bonding conductor
breast fast
cairned
car surfing
clock case alloy
clonorchiasis sinensis
closed end cap
cold moulding
computer analysis and programmer
cultural-familial mental retardation
dead on for
decoy missile
digital set programmer
donation benifit
dry sieving
dugalds
epicellular
epispore
explosion-breccia
ferricyanic
filter cylinder for sampling
Forest Heath
gas field water
GM_nouns-compound-nouns
grain capacity in cubic feet
granodiorite-granophyre
hagrides
Half ahead starboard!
helminthology
hunting-crop
hydroptic
incremental recorder
integrity-based ethics code
inventory reserve
Japanese tachibana
joints of the body on the whole
king-pin
kinsai
Larix siberica
lead parasitic
lever brace
limit checking trap
market-sensitive information
merits and faults
method of exploration
midbrain (mesencephalon)
neutral ground
nonanoyls
operational resposibility
past-tyme
personnel-assignment problem
petalism
political settlement
polytremis kiraizana
poptastic
pricing mechanism
productionwise
prossession
redige
reed holder
resemble
sabtractive primary
sadhanas
Santa Maria Maggiore
schwarzl
scripless
section and point code
speos
standard number
stevely
strain-cycle curve
table-work
Tanalith
targetman
Tauber's theorem
thornbrush
tofino
total hydraulic head on damaged part
traveling column vertical boring machine
tridentlike
undiscarded
voodoo programming
vulvoaginal
waterproof type induction motor
Weedol
weight cell
Western Strip
Xiamen
zaremberg
zinc 1-phenol-4-sulfonate