[化] 硼族元素

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(142) / 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(147) / 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(223) / 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(131) / 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(255) / 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(174) / 评论(0) 分类 经济学人科技系列

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

发表于:2019-01-03 / 阅读(143) / 评论(0) 分类 2014年VOA慢速英语(八)月

New Report Shares Secrets of Rare Blue Diamonds History The Hope Diamond is one of the worlds most famous jewels. It was in the possession of a series of people: kings, bankers, rich women and thieves, before its arrival 60 years ago at the Smithsoni

发表于:2019-01-03 / 阅读(166) / 评论(0) 分类 2018年VOA慢速英语(八)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(143) / 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(148) / 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(120) / 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(107) / 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(90) / 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(107) / 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(121) / 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(206) / 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(96) / 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(317) / 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(104) / 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(90) / 评论(0) 分类 万物简史
学英语单词
acylcarbene
agenda-setter
anno Hebraico
apocryphalist
associated legendre polynomials
auto-anamnesis
baby-care
Balaygay
barbodes elongatus
be well reputed
beach formation
beading line
beam wobble
bearded oyster
beg one's pardon
bifidogenesis
bisolvomyein
blueline reproduction
cells of brain
CFEC
clasp-knife effect
clyster-pipe
complex reflex
detoxifications
diodrast clearance
exterior coating
fitting bolt
friction depth
fusco-ferruginous
Gibson Des.
haart
Hansen coefficient
heat-resistant motor
hebetudes
horizontal integration strategy
horse-shoe type thrust bearing
hortus conclusus
hydrostatic apparatus
i-hud
inorganic pollution source
invalid children
Jefferson Day
keratotomies
Keti Bandar
lesser sunda islandss
liquid cooled suit
long-goner
made an exhibition of herself
marking thread
mathematical subroutine library routine
nine-banded armadillos
non reductive
out-turned
overtaxations
oxidizing solution
palatinose
partial response maximum likehood
Pelobatidae
Phlebotomus fonliangensis
PHRIDAE
pitted cell
police boat
porcin
presentation service command processor
presstime
prinosil
prior trustee
reannotates
rear stern tube
replayer
rhesus monkey
rice (-koji) miso
rigid polymer
ruleville
salarian
Salix shihtsuanensis
scrum half
seawater temperature forecasting
Sedum fui
semiminimum condition
serial overhead
single head loom
sinking current
smoke me
sporanges
striped bass
subspecialisms
taper shank tap
tendon sheath
test-tube reproduction
theory of antibody diversity
three-masted craft
threshold current
throw someone a rope
transguy
transverse strain effects
visible hand
vortex hypothesis
willynilly
xylylene bromide
zephyrlike
zone of transformation