碳氢化合物(非甲烷类)

The northeast just had its first big snow of the season. Meanwhile, on Titan, it was foggy. That weather report brought to you by researchers publishing in the journal Astrophysical Journal Letters. The scientists found that Titan, Saturns largest mo

发表于:2018-12-02 / 阅读(50) / 评论(0) 分类 Scientific American(十二)月

Scientists in Mexico say they may have found a way to cut production of methane, a gas linked to rising temperatures on the Earths surface. The scientists say their method may help reduce the methane released by cows, one of the main producers of the

发表于:2018-12-07 / 阅读(105) / 评论(0) 分类 2017年VOA慢速英语(二)月

This is Scientific America's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. Its hot to research life in extreme environments. There are organisms that thrive in boiling hot thermal vents and in toxic stews. These extremophiles, as

发表于:2018-12-24 / 阅读(40) / 评论(0) 分类 Scientific American(五)月

The by-product of billions of years of production from the chemical smog factory in the upper atmosphere, the grains in Titan's dunes may literally fall from the sky. Like a rain of flash-frozen coffee grounds, they are swept by the wind into deep pi

发表于:2019-01-22 / 阅读(30) / 评论(0) 分类 自然百科2012年

LA PAZ, April 9 (Xinhua) -- Bolivian President Evo Morales Wednesday praised his government's decision to nationalize the energy sector, calling it the main engine driving Bolivia's economic and social development. Speaking at an official event in Pa

发表于:2019-02-05 / 阅读(36) / 评论(0) 分类 英语新闻

玻利维亚,委内瑞拉双边关系面临新的阶段 LA PAZ, Oct. 9 (Xinhua) -- Bolivia and Venezuela will move toward a new stage in bilateral economic ties marked by major national projects in agriculture and energy, Venezuela's Foreign Minist

发表于:2019-02-05 / 阅读(29) / 评论(0) 分类 英语新闻
学英语单词
ACHATINOIDEA
acquiesced
anadyomeneae
aniline foils
bearing of motor
Biot's sign
Borojó
borrow from
car-changer
chocolate cake
class tiliomycetess
coffeelike
coloured glazed wall tile
constraint and variables
continuous curve distance time protection
costula
counter-weighting
Daphniphyllum membranaceum
deadend
ether sign
fibroma cavernosum
frontal triangle
G.E.C.
genome complexity
gervasoni
glace cherry
habonim
Heepsters
high frequency triode oscillator
hydroscientist
hyperglobulinemic
hypothesis in working
ice dynamics
ile-st-louiss
inconsequentism
infoporn
injudiciously
journal spring
just watch
Kulb
L. S. D.
layer-wound solenoid
leading product
leave sb with sth
Ledl
León, Mts.de
Ligamentum radiocarpale dorsale
liguloxidol
longitudinal-view
maintenous
mamochka
meatatarian
merging program
microsporin
mind rhymes
minimum quadrat area
moldy fig
object program preparation
oil-gauge rod
Ortilis vetula macalli
Ostravice
peak data transfer rate
Phaius columnaris
political affiliation
port configuration hub
primary file
propco
proximocephalic
quick change share
radioimmunoprecipitation
rahiers
restricted TWC
root hair
Rotoma, L.
round spot
sand map
short-time delay
sundriness
take the wall of someone
tentative centric relation
the hair of the dog
Thianide
three-dimensional-spherical tracking system
tjuiamunite
tornit
trys
two-start screw
unirooted teeth
unsplit bedpiece
upland coast
upper ideal
vascular goiter
velichkoes
Vigna cylindrica
VRAM - video random access memory
water seal ioint
weighing bridge
Wistedt
wolf's milk
Worb
young children