2-四氢呋喃甲醇

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(151) / 评论(0) 分类 Scientific American(一)月

Melody 1 from the Other World In October on the east coast of Australia migrating humpback whales 2 pass very close to the shore. With the help of Max Egan, we went to film them near Byron Bay. It was

发表于:2018-12-30 / 阅读(348) / 评论(0) 分类 英语沙龙2004全年合辑下

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(134) / 评论(0) 分类 医务英语

D Dahurian Rhododendron Leaf P.E 满山红提取物 Daidzein 大豆甙元 Daidzin 大豆甙 Dandelion P.E 蒲公英提取物 Daphnetin 瑞香素 Daphnin 瑞香甙 Daucosterol 胡萝卜甙 Dauricine 蝙蝠

发表于:2019-01-03 / 阅读(138) / 评论(0) 分类 医务英语

Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol

发表于:2019-01-03 / 阅读(120) / 评论(0) 分类 医务英语

This is scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Predicting a hurricanes strength and speed is crucial in order to save property and lives. Right now, the only way to get accurate information is to fly

发表于:2019-01-08 / 阅读(146) / 评论(0) 分类 Scientific American(四)月

This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute~ Theyre called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And theyre as flexible as living tissue. But hydrogels could not recov

发表于:2019-01-08 / 阅读(164) / 评论(0) 分类 Scientific American(三)月

Locals in Uganda are lauding a construction project financed by China which is creating the East African country's largest hydroelectric power plant. The 600-megawatt (MW) Karuma Hydroelectric Power Plant is located at the mid-western district of Kir

发表于:2019-01-19 / 阅读(194) / 评论(0) 分类 2018CRI中国国际广播电台

【NPR边听边练】致力于提供新鲜有趣、饶有意味的时讯资料,致力于通过精听的方式促进听力提高,致力于不断开阔眼界和深入了解美国观点。 精听建议: 先完整地把一条新闻听一到三遍,争

发表于:2019-01-22 / 阅读(92) / 评论(0) 分类 NPR边听边练

HYDROCEPHALUS Merriam-Websters dictionary defines hydrocephalus as an abnormal increase in the amount of cerebrospinal fluid within the cranial cavity that is accompanied by expansion of the cerebral ventricles, enlargement of the skull and especiall

发表于:2019-01-23 / 阅读(237) / 评论(0) 分类 英文短篇小说

67 维生素C能否破坏DNA? DATE=7-11-01 TITLE=SCIENCE REPORT - Vitamin C and DNA BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(149) / 评论(0) 分类 科技之光

For as long as people have been drinking too much, they have been searching for a cure for that dreaded morning after hangover. 只要一个人有过酩酊大醉的时候,他们就一定曾寻找过解决宿醉之后可怕的第二天清晨。 Raw

发表于:2019-02-05 / 阅读(89) / 评论(0) 分类 阅读空间

At least 23 people have died on the Indonesian resort islands of Bali and Lombok after consuming locally produced palm wine made with methanol, a fuel used for lanterns. The first victims began arriving at Sanglah General Hospital in the Balinese ci

发表于:2019-02-12 / 阅读(87) / 评论(0) 分类 VOA标准英语2009年(六月)

SCOTT SIMON, HOST: The debate on approving new drugs to treat pain can sometimes get as polarized as abortion or gun control, as the number of people who become addicted or who have died from overdoses of legal painkillers increases. Several states a

发表于:2019-02-16 / 阅读(121) / 评论(0) 分类 英语语言学习

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(161) / 评论(0) 分类 万物简史

YAN'AN, Shaanxi, Aug. 26 (Xinhua) -- The death toll from an expressway collision between a bus and a tanker in northwest China has risen to 36, local police said Sunday. The accident happened at around 2 a.m. in Yan'an, Shaanxi Province, when a doubl

发表于:2019-02-18 / 阅读(127) / 评论(0) 分类 英语新闻

The charts compare the source of electricity in Australia and France in the years 1980 and 2000. Between these years electricity production almost doubled, rising from 100 units to 170 in Australia, and from 90 to 180 units in France. In 1980 Austral

发表于:2019-02-25 / 阅读(139) / 评论(0) 分类 托福英语

His's perivascular Chinese希斯血管周隙(脑与脊髓血管动脉外膜和神经胶质血管周围界膜之间的间隙) His's zones Chinese希斯区(胚神经管的四个纵增厚束) Histology Chinese组织学 Hitzig's gridle Chinese希茨希带(与乳房同高的一环状痛觉缺失区) Hitzig's test Chinese

发表于:2019-02-26 / 阅读(172) / 评论(0) 分类 英文语法词汇

本期内容: Leaders from nearly 200 nations signed an agreement to phase out hydro fluorocarbons, chemicals used in refrigeration and air conditioning. In the 1980s the Montreal Protocol replaced chlorofluorocarbons, which were known to harm the

发表于:2019-03-02 / 阅读(161) / 评论(0) 分类 夏说英语新闻晨读

Onlywhenasystempossessesnatural orartificialboundariesthatassociate thewaterwithinitwiththehydrologic cyclemaytheentiresystemproperlybe (30)termedhydrogeologic. 只有当某一地质系统拥有自然的

发表于:2019-03-11 / 阅读(255) / 评论(0) 分类 英文语法词汇
学英语单词
A, a
accelerated freeze dryer
acidotus
aerial image simulation
aliasing signal
allowable bending stress
arteriae lenticulostriata
artificial crater
assay wall
at aglimpse
atchievement
atomic emission
bacillus homminis capsulatus
Bayley Pt.
be just the ticket
buck for
cancer patient
candred
check box
clematis recta l. var. mandsurica maxim.
cold tandem mill
Conchorhagae
cut spike
deserting
directional diffuseness
domestic helps
dropsy of serous cavity
dry compression chamber
dummy journal
electrologging
electromagnetic crane
electronic learning laboratory
electronic tachometer
Elsona
enfeoff
Ervin, Samuel James, Jr.(Sam)
Escherichia intermedium
eye-movements
fame and prestige
fetal electrocardiograph
filling of cooling system
find favour with
flick-knife
freight transportation
fuck himself
G.A.T.T.
gallium arsenide laser
global monitoring of air pollution
got to
heavy petrol
heeleys
homings
hydrogen storage materials
hyperchylia
impliance
ion scattering spectrometer
klotz's test
L.E.M.
langite
ledstone
local device
make
meanin
milem
mixed convection
modulation transfer spectroscopy
NABCA
Nader's raider
noduli lymphatici laryngei
nylon moulded gear
over-shadow
Parasenecio lidjiangensis
politik
preurethritis
principle of uninterrupted trial
prodelta facies
quarrying method
radially unbounded function
rights-of-way
RMS
sagenetic quartz
salicslic acid plaster
semi-finite
shop-goer
signal detection ability
simple class
sodium antimony gallate
spinning styles
state-level
Stinkgrass
terra fusca
thermin
tibial spine
triple-salt process
twist flat drill
ULDB
uniformises
Vazante
Vlachokerasia
water compressibility
xanthopsin