吉林陨石

Murchison Meteorite's Chemical Bonanza The 1969 Murchison meteorite was known to harbor complex organic compounds, but a new analysis in Proceedings of the National Academy of Sciences finds that it may also contain millions of chemicals and shed lig

发表于:2019-01-02 / 阅读(94) / 评论(0) 分类 60秒科学

When astronaut Alan Shepard took his first swing at a golf ball on the moon, he hit more dirt than ball. The dust he kicked up reinforced the idea that the moon is one big sand trap. But looks can be deceiving. Now, scientists reanalyzing lunar sampl

发表于:2019-01-08 / 阅读(50) / 评论(0) 分类 Scientific American(六)月

How Does One Find a Meteorite? 如何找到陨石? Editor's Note: The annual Perseid meteor shower will peak in the skies over Earth on the night of Aug. 12-13. Despite a bright moon supermoon, there should still be a good show from this prolific sho

发表于:2019-01-12 / 阅读(39) / 评论(0) 分类 2014年VOA慢速英语(八)月

What would you do in your last 60 minutes?An asteroid is on a collision course with the earth and you have one hour left to live. What would you do in your last 60 minutes? Not surprisingly, the majority of Britons questioned in a survey -- 54 percen

发表于:2019-02-01 / 阅读(34) / 评论(0) 分类 阅读空间

Life emerged so swiftly, in fact, that some authorities think it must have had helpperhaps a good deal of help. 实际上,生命出现得太快,有的权威人士认为肯定有什么东西帮了忙也许是帮了大忙。 The idea that earthly l

发表于:2019-02-17 / 阅读(42) / 评论(0) 分类 万物简史

MOSCOW, Feb. 17 (Xinhua) -- Most buildings damaged by Friday's meteorite fall in Russia's central Urals Region have been restored, and educational institutions will operate as usual on Monday. Xinhua reporters saw in the hardest-struck Chelyabinsk Re

发表于:2019-02-17 / 阅读(54) / 评论(0) 分类 英语新闻
学英语单词
6-aminomannose
action of trespass
all hell broke loose
Ambalabe
Amplexocarinia
anagnis
anepia
aphanesite (clinoclase)
babycares
bhawan
blind fury, blind rage
bowker
bowlike
carnassial tooth
centre line average height
cetacean mammal
complete unification algorithm
compound temperature relay
coniferous plants
conjugon (luria 1963)
connecting corridor
Corallineae
cycle conditions
debug support system field description
departmental teaching plan
dibello
disentwined
distavorous
dorelia
electrically connecting clamp
Enisyl
etch(ing) primer
Faceroll
fifthest
furogen sand
Geatish
general mobilization
Glyciphagus buski
goitred
goldheart
group marker
havock
heterocoagulation
high order predicate calculus
hunter-success
ideal refrigeration cycle
inella spina
intratribal
lateral longitudinal stria
letter-board
macro market trend
masticatory efficiency
military toxicant damage
N. Y. L. O.
net-works
news crawl
nonstandard group
nosing structure
oblomov
on top of the world
organic clay
ovarian cortex
overflow diabetes
packing cup
paleointensity method
pattern-bomb
phthalate ester
piezoelectric hysteresis
pile column
planned load
polyimidoylamidine
primary trochoblast
printing-house
propulsion bulb
puller detacher
raw gasoline
reduce in scale
resconse
ride dirty
roller straightening machine
rosy quartz
scrambler
second-level
Shi'ified
silly billies
Sitchaung
sodium aminoarsenate
sphaerocalyptra quadridentata
spherical support
stefan
strabismus after convulsive seizure
superstarts
symbolic operating system
symmetrical solute band
thusfore
Tiger Balm
tilted stratum
Uyeasound
vraiment
wash coat
worm cast
your arse