复合茎,分枝茎

Grammar Girl here. Todays topic is the complex-compound sentence. Guest writer Sal Glynn writes: Most writers worth their fingertip calluses begin as avid readers. We read books, magazines, and websites indiscriminately until we start to notice the w

发表于:2018-12-07 / 阅读(102) / 评论(0) 分类 英语语法 Grammar Girl

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(47) / 评论(0) 分类 2018年VOA慢速英语(一)月

Intonation can indicate completely different meanings for otherwise similar words or phrases. For example, an English teacher teaches English, but an English teacher is from England; French class is where you study French, but French class is Gallic

发表于:2018-12-27 / 阅读(57) / 评论(0) 分类 美式英语正音训练

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(93) / 评论(0) 分类 2017年VOA慢速英语(十二)月

SCIENCE IN THE NEWS - Progress Made in Stem Cell Research By Caty Weaver, Jerilyn Watson, ... Broadcast: Tuesday, May 31, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I

发表于:2019-01-09 / 阅读(77) / 评论(0) 分类 科技之光

AGRICULTURE REPORT - Scientists Find Compound in Smoke that Helps Seeds Grow By Mario Ritter Broadcast: Tuesday, July 20, 2004 This is Steve Ember with the VOA Special English Agriculture Report. A di

发表于:2019-01-11 / 阅读(98) / 评论(0) 分类 农业与发展

FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. CHRISTOPHER CRUISE: And Im Christopher Cruise. Today, we will tell about possible hope for children suffering from damage to their nervous system. We will also tell

发表于:2019-01-12 / 阅读(107) / 评论(0) 分类 2011年VOA慢速英语(二)月

The United Nation's World Food Program says rogue members of Somalia's extremist al-Shabab group attempted to raid its compound late Sunday in the Somali town of Wajid, about 300 kilometers northwest of Mogadishu. World Food Program spokesman, Peter

发表于:2019-01-14 / 阅读(129) / 评论(0) 分类 VOA标准英语2009年(八月)

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(103) / 评论(0) 分类 世界各地新闻集锦

What do these five words have in common: hotdog, fireworks, well-being, waistline, sunset and ice cream? They could all describe a fun holiday celebration. For example: My holiday was wonderful! I went to a friends party and we laughed, ate and had a

发表于:2019-01-21 / 阅读(146) / 评论(0) 分类 2018年VOA慢速英语(十二)月

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(241) / 评论(0) 分类 VOA常速英语2008年(二月)

By Elizabeth Carlassare. Todays topic is compound interest. Albert Einstein is often quoted as having said something to the effect that compound interest is the greatest wonder of the universe. Its an urban legend, but it packs some punch! In todays

发表于:2019-01-30 / 阅读(132) / 评论(0) 分类 货币英语

Beating Heart Tissue from Stem Cells In a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beats. Cynthia Graber reports One of the goals o

发表于:2019-01-30 / 阅读(118) / 评论(0) 分类 60秒科学

> 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(120) / 评论(0) 分类 科技之光

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(208) / 评论(0) 分类 英语新闻

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(104) / 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(90) / 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(152) / 评论(0) 分类 英语新闻

ISLAMABAD, Feb. 25 (Xinhua) -- The living compound of the former al-Qaida chief Osama bin Laden in Pakistan's northwest city of Abbottabad is being demolished, said one local media report. Local Urdu TV channel Express said that the front part of bin

发表于:2019-02-18 / 阅读(86) / 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(99) / 评论(0) 分类 英语单词荟萃
学英语单词
4-bromoindole
a besetting sin
across corner view
adenomatosis of nipple
alkylaluminium
alternate communication
ambria
analysis for individual elements
ancient schwannoma
arms of the sea
asteia nigripes
attic adhesion
Bayram
be surrounded by envelope of tissue
betaxed
big boxes
bit teletype controller
blandi
blocking mode pilot protection
break a contract
cardue
climatological diagram
common roundworms
constant-delay discriminator
coprime numbers
cosmetic industry
coupling dissipation factor
cup-disc ratio
cut-admittance matrix
datagraphic output writer
dehalogenated
doctrine of consistancy
dynamic-modeling language
elastic cylindrical shell
enthrals
feather-grass
ferrite phase-differential circulator
financial charges
firewood stove
flexible route
funeral home
garbell
genus Ornithorhynchus
get on someone's tits
gollania cylindricarpa
guzzle down
heredital
hinge area
IGCD
inner transition element
komatasukui
kwhs
lorentz reciprocal theorem
low level firmware
low pressure tank
m. genioglossus
megdlocephaly
methional
mickelsen
Mictococcus
miscellaneous local tax
Natronkatapleite
neighbo(u)ring vertices
noodle-cutting machine
normative behavior
nurse a constituency
obtuse-angled
odorous cargo
order Myxobacteria
orthopoxvirus horse pox
paddy cultural vegetation
parrot-fish
Parucito R.
pene-enclave
Pension Shortfall
Peucedanum longshengense
phenoxy-acetamide
planaeschna ishigakiana flavostria
poppet type safety valve
porcari
pseudocardiac
regulations rod
roentgen-rays
rosemary
Sayers winding
second hand stop
siccostabile
sidelap
SIEBA
slide chair
soda-syenite(sodium syenite)
spokespersons
superia
sweet-hearted
synergic
tempters
total savings deposit
vector fields
visual sensitometer
wall penetration
went into particulars
whych