等离子体焦点

Now the speed of light is a very,very big number. 光速是个很大的数字 So if we just take a small amount of mass, 所以只要一点点质量 you get a huge amount of energy. 就含有大量能量 And that's the energy which actually powers ou

发表于:2018-12-07 / 阅读(93) / 评论(0) 分类 太阳科普

Todd: OK, Mark, I thought we would have a mock-debate. Mark: OK, sounds good. What are we debating? Todd: We're going to debate what is better - to watch a movie on DVD or at the cinema? Mark: OK, well I would definitely choose DVD. Todd: OK, I would

发表于:2019-01-11 / 阅读(48) / 评论(0) 分类 原版英语对话1000个

BEIJING, Dec. 11 (Xinhua) -- China is faced with severe challenges in collecting enough blood plasma to produce medicines, Health Minister Chen Zhu said Sunday. Chen called on the public to join blood donation after donating blood plasma at the Beiji

发表于:2019-02-07 / 阅读(64) / 评论(0) 分类 英语新闻

You might not realise it, but sending even a short email has an impact on the environment. 你可能没有意识到,即使是发送一封小小的邮件也会对环境产生影响。 Scientists estimate that an email adds about four grams (0.14 oun

发表于:2019-02-08 / 阅读(93) / 评论(0) 分类 阅读空间

Listen to the statements and check the correct answers. 1.Is sweeping out the tiny dust bothering you a lot? From now on if you have this machine, doing the housework will become a very easy job. This is a portable vacuum cleaner. lt's light and wire

发表于:2019-02-17 / 阅读(50) / 评论(0) 分类 英语听力练习题

CHENGDU, May 5 (Xinhua) -- Chinese Health Minister Chen Zhu donated plasma on Saturday in Chengdu, capital of southwest China's Sichuan Province, and called on health workers to take the lead in blood donation to ease the country's blood supply short

发表于:2019-02-18 / 阅读(59) / 评论(0) 分类 英语新闻
学英语单词
antilegislation
arbor-vine
bander
biasing characteristic
blind copies
bremeness
Bulbophyllum colomaculosum
Chinese famous dish
cluttering
code combination
completeness
continuity from the right
contra harmonic mean
corn mayweed
curatorially
CV leads
daughter cell
daumiest
delta-matching
divisi
DNA cloning
douzenier
dudes
economic administeative power
edge-water encroachment
Elaeagnus longiloba
encoding rule
enter bonds
errantship
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geodetic zenith
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handlines
hematologic
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inextricate
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kish lock
Kohneh 'Omar
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Lathyrus splendens
Latinophobic
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Marumori
matrix of composite superconductor
melinomyia flava
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pearsall
planting fork
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press button switch
Pygeum wilsonii
real-time engineering environment
rosical
round chop
Saccopharyngoidei
security trading
servitor
shared read-only system residence disk
signal rocket projector
simultaneous discrimination intervals
sleeping with someone
sonajeros (mexico)
spherotoric lens
spongy copper
spontaneous oscillation of power system
starry grasswort
stavesacre
stopper nozzle
sulfuraria
sweatlodge
team Web site
temperature coefficient of viscosity
temporary weld
thingama-bob
Thomsett
trimethylacetaldehyde
tue
unani medicine
unpublish
us digital
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zero one integer programming