角间距

塞内加尔推行生育间隔 或可减少贫困 On a busy day at the Fith Mith Clinic in a suburb of Gudiawaye, just outside of Dakar, MamyDiop had just given birth to her third child, only one year and three months after the previous.She did not k

发表于:2018-12-16 / 阅读(148) / 评论(0) 分类 VOA标准英语2016年(七月)

And lastly, here's Destin, from Smarter Every Day, 最后是《每天聪明一点点》的德斯丁, talking about the conservation of angular momentum, and, since it's YouTube, cats: 为我们讲述动量守恒,由于是在YouTube上,所以他用

发表于:2018-12-30 / 阅读(157) / 评论(0) 分类 TED演讲科技篇

International Conference Highlights Family Planning in Senegal With the global population reaching 7 billion this year, doctors and health officials are advocating better family planning methods. Senegal, where some 2,000 international delegates gath

发表于:2019-01-13 / 阅读(129) / 评论(0) 分类 VOA标准英语2011年(十二月)

Itsremarkable how we are able to build up this picture of whats going on millionsof miles away in the solar system. Its one of the joys of science really, justalmost like a detective picking up on those tiny clues to tell a bigger story. Sothat the b

发表于:2019-01-23 / 阅读(141) / 评论(0) 分类 探索与发现2014年
学英语单词
7-Hydroxycoumarins
accumulated depreciation
ADS-C
aircraft hazard
aliphatic monoamine
analogue computing system
as if by magic
assuring rate of depth datum
box jib
brush contact voltage
Bursera
campylotropal
cercospora begoniae
chess club
chlorbutol
cofferet
COMOs
confirmation commission
contrast finely with
cours-
credit contract
dept of water conservation
deraigns
dieron
Diocles
dissodinium lunula
dividing head chuck
Domaszkow
dry bone ore
emergency trip valve
emplastrum belladonnae
Epstein square
eriophyllum lanatums
field artilleries
finite nilpotent group
frigider
fur garment
fusion power density
g.v.
grandson-in-law
grim (russia)
gyro instrument
halam
helend
herdful
heteroion
Hewlett disk insulator
hyperglandular
informative advertising
Kandelia obovata
Kessingland
King of Medicine
liquid packing
lomassi
loosening all muscles
media impression
metal-working
Monte Azul
motivational enhancement therapy (met)
motor-blower
musculus obliquus internus abdominis
Nagorno-Karabakh Republic
non reflection attenuation
ntundu
optimum inventory policy
order action detail
parabola template
patent agreement
periot
phosphometabolite
placitory
plessimeters
pronominals
protein computer
pull along
pyroarsenates
qualifying connective
radiating boundary condition
rawyne
ray model
read off
reconstitution site
relieving diarrhea with astringents
rhizocephalous
running blackberries
sand percentage
screw capper
sea-keeping capacity
self-rate
Semiarundinaria
separating floor
shoe canvas
solid nibium electrolytic capacitor
street cries
test answer sheets
thick plank
tibi
trichocephaliasis
uginoxes
untaunted
us -sided