氢质土

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(117) / 评论(0) 分类 太阳科普

AGRICULTURE REPORT - February 5, 2002: Soil Conservation Methods By Gary Garriott 04 Feb 2002, 18:39 UTC This is the VOA Special English Agriculture Report. Soil conservation efforts protect soil from

发表于:2018-12-07 / 阅读(88) / 评论(0) 分类 农业与发展

By Gary Garriott Broadcast: July 29, 2003 This is Bill White with the VOA Special English Agriculture Report. Soil conservation efforts protect soil from wind and water that can blow or wash it away.

发表于:2018-12-07 / 阅读(98) / 评论(0) 分类 VOA2003(下)-农业与经济

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(116) / 评论(0) 分类 VOA2003(上)-科技导航

This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Builders in developing countries are often not required to build strong buildings. So, when a disaster strikes, the damage is often widespread. 发展中

发表于:2018-12-07 / 阅读(75) / 评论(0) 分类 2011年VOA慢速英语(三)月

I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indians and Pakistanis

发表于:2018-12-12 / 阅读(86) / 评论(0) 分类 英语演讲

Even the dirt on the ground is likely making climate change worse, a new study finds. Researchers have shown that warmer temperatures are heating the soil, which is causing microbes to become more active and release more of the soils carbon into the

发表于:2019-01-03 / 阅读(149) / 评论(0) 分类 2018年VOA慢速英语(八)月

Mars Rover to Begin Taking Soil Samples This Week Jessica Berman NASA engineers say the Mars rover will begin taking its first soil samples as soon as it departs the landing platform . Engineers say t

发表于:2019-01-04 / 阅读(113) / 评论(0) 分类 VOA2004(上)--各类新闻

NEW YORK Plug in your car, then unplug, and drive away. More and more consumers are doing just that. At the 2014 New York Auto Show many automakers unveiled electric or hybrid vehicle to address the growing global appetite for environment-friendly ca

发表于:2019-01-30 / 阅读(87) / 评论(0) 分类 英语新闻

AGRICULTURE REPORT - Cover Crops Are Good for the Soil (and the Farmer) By Mario Ritter Broadcast: Tuesday, May 24, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Cover crops are

发表于:2019-01-30 / 阅读(95) / 评论(0) 分类 农业与发展

AGRICULTURE REPORT - Compost: an Organic Way to Better Soil and Crops By Gary Garriott Broadcast: Tuesday, July 05, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Many farmers im

发表于:2019-01-30 / 阅读(151) / 评论(0) 分类 农业与发展

SEOUL/WASHINGTONThe U.N. Security Council said Wednesday that it was working to craft new sanctions against North Korea after its latest nuclear test, while the United States and other world powers voiced skepticism about Pyongyang's claim that the u

发表于:2019-02-04 / 阅读(44) / 评论(0) 分类 英语新闻

Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur

发表于:2019-02-05 / 阅读(109) / 评论(0) 分类 托福英语

PREFIX 1.a-:of;on;intensive;negative,not,without;ad-;ab-. 2.ab-:away from,off. 3. ad-:to;at;for. 4. aer(o)- :relating to air . 5.al-:all. 6.ambi-:on both sides,around. 7.amphi-:on both sides,around. 8.an-:negative,not,without. 9.ana-:upon,up,on. 10.a

发表于:2019-02-06 / 阅读(127) / 评论(0) 分类 雅思英语

December 30, 1954 I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indi

发表于:2019-02-09 / 阅读(128) / 评论(0) 分类 英语美文

Soil、earth、ground和land都可以表示地面,但这四个词的用法有很大的区别。一起来看看吧! soil意为:泥土、土壤,尤指生长植物的土地。或国家、国土。 The trees have rooted in the rich soil. 树木在肥

发表于:2019-02-18 / 阅读(108) / 评论(0) 分类 英文语法词汇

9月16日是墨西哥馆日,墨西哥馆五颜六色的风筝森林吸引了不少人的眼球,你知道小小的风筝里有什么大学问吗?其实风筝也有很多种分类哦,一起来看看吧。 说到kite这个单词,这也许是我们

发表于:2019-02-18 / 阅读(134) / 评论(0) 分类 英语口语

North Korea conducted a 'successful' hydrogen bomb test, Pyongyang has confirmed. The thermonuclear weapon triggered a massive 5.1 magnitude earthquake when it exploded at 10am local time on Wednesday. 平壤方面已经证实,朝鲜成功的进行了

发表于:2019-02-18 / 阅读(71) / 评论(0) 分类 英语新闻

We are rediscovering the enigmas(谜团) of the Moon and they're really in our own backyard Dr Jim Garvin, Nasa Goddard Space Flight Center Moon water has world in a twitter A surprising amount of water has been found to exist in the Moon's soil. Data

发表于:2019-02-18 / 阅读(75) / 评论(0) 分类 英语新闻

time will not stand still today is the day, the day of salvation living for more than just synthetic force fed existence this is my disposition I will strive for the truth time will not stand still today is the day, the day of salvation living for mo

发表于:2019-03-02 / 阅读(109) / 评论(0) 分类 英文摇滚歌曲
学英语单词
adorative
BFFLs
Bharuch
biogeochemical provinces
bioinsecticide
boomsprinkler
breach value
bus control chip
Chicuma
chorioadenoma destruens
cliff eddy
comitia tributa
compton
counter current contacting
double cusp
double-storage reperforator
dragsman
drives up
drummingly
endo isomer
ethyl sorbate
experiment reactor
exponential ordered scores
failure induced
fair-trade price
family Iridaceae
Februarye
fertilized cone
fertilized membrane
fire-side
flappier
floating factory
flowmetries
fork-over
geads
halfcourts
horizontal output tube
hyperkeratinizations
infotopia
keymaker
Kosgi
lavoltas
life like
liquid-gas applicator
litharge-glycerin cement
lobenzarit
mazer bowl
mechanically tuned tube
methyl ethyl cellulose
methylenedioxyamphetamine
Miltonist
mingle
muscular death
nahin
narrow-mindedness
nitratite
non-peak hours
note issuing power
ODA (operational data analysis)
one's day
opposite phyllotaxis
organ-pipe
ovoid briquette
phrenectomy
piezooptical effect
Platyventroceras
postliberal
Protestant Episcopal Church
puketastic
pyostacine
quadrature -axis component of synchronous generated voltage
quasilinearly
r-vt
radio-frequency filter
rated filling weight
reconstructive policy
reheat cycle gas turbine
rhachidian
road-bridges
Roeland Park
root of aorta
security level
sex-linked lethal
shear walls
silverfin
single-cell
Sir Francis Bacon
sol-faing
sphincter urethrae
stannyl chloride
stegostoma fasciatum
suprasternal fossa
Talofofo B.
Tom Sawyering
trabeculae corporis spongiosi penis
trigeminus group
unleaded antiknock additive
unpretendingly
up to someone
vanadites
wire whisk
yoke elms