[网络] Penstemon属
词型变化:名词复数形式 : genus penstemons

Most college students in the United States choose their major, or main field of study for their degree, before or during their first year. For Saskia Fagan, making that choice was not easy. Fagan, who is now 31 years old, grew up in Takoma Park, Mary

发表于:2018-12-12 / 阅读(273) / 评论(0) 分类 2018年VOA慢速英语(一)月

Pre-Listening Vocabulary binomial nomenclature: a two-part system for naming species (e.g., Panthera tigris) genus: a subdivision of a family of organisms (e.g., Panthera is the genus for tigers, lions and leopards, and a subdivision of the Felidae f

发表于:2018-12-19 / 阅读(380) / 评论(0) 分类 Facts-事实

China has more plants than anywhere else in the temperate regions of the world. In fact, it has almost twice as many kinds of plants as there are in the United States which is about the same size and about three times as many as there are in Europe.

发表于:2018-12-30 / 阅读(430) / 评论(0) 分类 国家地理2008年

Rwanda Invests in STEM Education for Girls Yvonne Kevia is an 18-year-old high school student in Rwanda. She wants to become a chemical engineer. She enjoys doing experiments and taking careful notes in her high school laboratory in Kigali, Rwandas c

发表于:2019-01-02 / 阅读(305) / 评论(0) 分类 2017年VOA慢速英语(十二)月

Australian researchers may have discovered a new way to treat hearing loss in infants. And the secret lies in the NOSE. Our reporter Li Dong has the details. Noses comes in all shapes and sizes, and Australian scientists are now trumpeting a new use

发表于:2019-01-19 / 阅读(349) / 评论(0) 分类 世界各地新闻集锦

By Alex Villarreal Washington 28 February 2008 Adult stem cell therapy has successfully treated leukemia and other cancers for years, in the form of bone marrow transplants. A new study in the Journal of the American Medical Association [JAMA] finds

发表于:2019-01-25 / 阅读(461) / 评论(0) 分类 VOA常速英语2008年(二月)

图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 图片10

发表于:2019-01-27 / 阅读(399) / 评论(0) 分类 粉红猪小妹第二季

While I was observing this phenomenal creature, two jets of steam and water sprang from its blowholes and rose to an altitude of forty meters, 当我观察这只奇怪动物的时候,两道水和汽从它的鼻孔吐出来,直喷到叫十米的高度

发表于:2019-01-28 / 阅读(402) / 评论(0) 分类 《海底两万里》中英双语有声读物

> 39 脂肪中的茎细胞有助于治疗糖尿病 DATE=4-26-01 TITLE=SCIENCE REPORT- Stem Cells in Fat BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(595) / 评论(0) 分类 科技之光

The light from our glass coils produced magical effects at times, lingering on the wrinkled roughness of some natural arch, 我们的蛇形玻璃管中的光学,照在这些天然的凹凸不平的拱形建筑物上面, or some overhang suspended

发表于:2019-02-17 / 阅读(425) / 评论(0) 分类 《海底两万里》中英双语有声读物

In the first group: organ-pipe coral, gorgonian coral arranged into fan shapes, soft sponges from Syria, isis coral from the Molucca Islands, sea-pen coral, wonderful coral of the genus Virgularia from the waters of Norway, various coral of the genus

发表于:2019-02-17 / 阅读(445) / 评论(0) 分类 《海底两万里》中英双语有声读物

By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia

发表于:2019-02-17 / 阅读(369) / 评论(0) 分类 VOA常速英语2007年(十二月)

Japan's government and the country's central bank took action Thursday to dilute the yen. The Japanese currencys strong standing against the dollar is making exports more expensive, hurting efforts to revive the country's moribund economy. After many

发表于:2019-02-18 / 阅读(333) / 评论(0) 分类 英语新闻

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(411) / 评论(0) 分类 英语新闻

今天我们要学的词是stem from. Stem spelled s-t-e-m, stem; and f-r-o-m, from. Stem from是源自,来源于的意思。The UN said Syrian government forces are responsible for most of the violence stemming from the country's unrest. 联合国表

发表于:2019-02-18 / 阅读(331) / 评论(0) 分类 英语单词荟萃

A triggerfish, I said. 是一条箭鱼。我于是说了。 It's a Chinese triggerfish, Ned Land replied. 尼德兰回答:是一条中国箭鱼。 Genus Balistes, family Scleroderma, order Plectognatha, Conseil muttered. 康塞尔于是低声说:箭

发表于:2019-02-25 / 阅读(501) / 评论(0) 分类 《海底两万里》中英双语有声读物

There I saw again, but not yet pressed and dried like the Nautilus's specimens, some peacock's tails spread open like fans to stir up a cooling breeze, scarlet rosetangle, 我在这里又看到的,不是像在诺第留斯号船上风干的标本,而

发表于:2019-02-25 / 阅读(414) / 评论(0) 分类 《海底两万里》中英双语有声读物

At intervals it hands down decrees, declaring that Zauschneria californica (a common plant in rock gardens) 它不时下达命令,宣布从今以后加州倒挂金钟(一种普通的假山庭园植物) is to be known henceforth as Epilobium can

发表于:2019-02-26 / 阅读(481) / 评论(0) 分类 万物简史
学英语单词
aconitic
adbot
addenbrookes
Akmyane
Aldrich, Thomas Bailey
autodispenser
backward transfer
bandpassing
basic peripherals
Betou
buddy refueling
Burmese rosewoods
Caragana roborovskyi
cartilago falcata
chemical cosh
circulation about foil
codon bias
conjugate triangles
COSHH
cours-
cryptoglandular
cuckoo-dove
detrital cone
Doctor of Pharmacy
Dorry machine
drying
DSB transmitter
exchange contract confirmation
family acaridaes
fastness to chlorine-bleaching
fetid stomatitis
fund for payment of principal and interest on external debts
Gabersdorf
gastroenteritis
genus cymbidiums
Great Ragged I.
Greenwich astronomical time
haries
hazelnut oil
here from
Hydrobon
hypercontractility
Ilex salicina
impact-testing apparatus
in the small hours
input/output interface control module
intrinsic semi conductor
isotranslation regulation
kashmir goats
Kita-Kyūshū
kymocyclograph
laser disc
late-comers
latent pacemaker
malthusian dilemma
matteucinin
meniscectomy
Mervent
nonwhite
oatmeals
osteens
payment in arrears
peegs
phosphate nodule
pilot bell
polar lakes
pontella latifurca
pool of cold air
port-aiguille
pre-vis
prettiness
Pripet
Prunus davidiana
public sector pay
pumice polishing grease
Pyrex
rearguments
reconciliation agreement
relocating loader
resource encapsulation
rubrocuneocoris maculosus
salt rejection ratio
Saybolt universal viscosity
sbh
Scotch bath
semi-monergolic fuel
Signed, sealed and delivered
sleep-eats
sliced vencer
stylomastoid artery
sub-ophlitic texture
superstimulating
supracoccipital bone
supratentoria
the prophets
trainless
under-consumption theories of trade cycle
untuned amplifier
visco elasticity
wine starter
wrap up
zona vascuiosa