沉积直径

Business, Farming Go Greener to Protect Nairobi Water Supply 商业农业双管齐下保护内罗毕水资源 NAIROBI In a unique pairing of business interests and conservation, a new water fund is launching in Kenya to better-protect Nairobi's main

发表于:2018-12-16 / 阅读(38) / 评论(0) 分类 VOA标准英语2015年(三月)

Extreme Storms Are Extreme Eroders数天百年的效果 In 2013, a rare September storm swept across the plains of Colorado. When it hit the Rockies, it dropped more than a foot of rain in places like Boulderas much as the city sees in an entire year

发表于:2018-12-24 / 阅读(33) / 评论(0) 分类 2017年Scientific American(四)月

Extreme Storms Are Extreme Eroders数天百年的效果 In 2013, a rare September storm swept across the plains of Colorado. When it hit the Rockies, it dropped more than a foot of rain in places like Boulderas much as the city sees in an entire year

发表于:2018-12-24 / 阅读(38) / 评论(0) 分类 2017年Scientific American(四)月

The K-T boundary marks the end of the age of dinosaurs, and the beginning of the age of mammals. KT界限层标志着恐龙时代的终点和哺乳动物时代的开端。 But does the K-T boundary really signify the absolute end of all dinosaurs? 不过

发表于:2018-12-28 / 阅读(47) / 评论(0) 分类 侏罗纪搏击俱乐部

商业农业双管齐下保护内罗毕水资源 Jane Kabugi, 68, is readying for her planting season. For five years, she was a subsistence farmer-consuming all she produces. 现年68岁的简恩卡布吉为自己的种植季节做好了准备。这

发表于:2019-01-14 / 阅读(48) / 评论(0) 分类 VOA标准英语2015年(八月)

Gibbs is perhaps the most brilliant person that most people have never heard of. Modest to the point of near invisibility, he passed virtually the whole of his life, apart from three years spent studying in Europe, within a three-block area bounded b

发表于:2019-01-29 / 阅读(47) / 评论(0) 分类 万物简史
学英语单词
a bun in the oven
a kitchen
accelerator card
ADCN
agrimolide
analytical esthetics
antimonites
architectural myopia
arrest of judgement
astromechanics
autoconsequent waterfall
Ban Takhro
beam breakup
boundary layer trip
brake driving motion
by force of habit
calorimeter fluid
cantharidin
carbon dioxide process(co2 process)
cargo navicert
castiglione olona
contempt of court
contingent valuation
corporateness
Cousinia dissecta
crumleys
design change analysis
disdainously
electronic vulcanizer
episodic narrative
erlinge
exponential function generator
extensor caudae
fatigue yield limit
FDE (failure detection and estimation)
feed timer
floating clause
freeze dehydration
fusion of skull suture
grey level vision system
Guanay, Sierra
guide piston complement for fuel pump
heteropanax fragrans(roxb.) seem
holmium oxide
hydrophilous
identification rate
Impatiens desmantha
incumbrancers
Independence National Historical Park
isolineolon
Kennoway
klochkova
Lacerta
lactivist
last course
marginal cost pricing
medium term capital
murines
oblique subduction
open digital rights language
ornithologists
oximinoglutaric acid
oxo-catalyst
pay order
pierce through
pipistrelluss
plane flying
popularised
proposed regulations
proteotoxicities
quavemire
raw materials and supplies
recruiting objective
reverse retrograde canon
riffled through
roboform
rolling capital
safestop
safety interlock for nuclear power plant
sampling risk of acceptance
saturated soil
Saul teauxteaux
second-order autoregressive model
segelerite
Serenoa repens
short-wave cutoff
software, navigation
sowing in narrow dill
special flow
spirochaeta culicis
standard ship size
step deal
stigmata maydis
subservest
taken it out
tettigomyces intermedius
trichometasphaeria turcica luttrell
TVBS
two-way reinforcement
Unapool
weber's number
whitewashes