杆锈病

If I Rest,I Rust 如果我休息,我就会生锈 The significant inscription found on an old key---If I rest, I rust---would be an excellent motto for those who are afflicted with the slightest bit of idleness. Even the most industrious person migh

发表于:2018-11-30 / 阅读(459) / 评论(0) 分类 王强英语美文

Unit Nine Text Every cloud has a silver lining, says the optimist. It follows naturally, then, that the pessimist must favor looking for the rusty lining. Just as the optimist can always find reasons for hoping that bad situations can improve, so the

发表于:2018-12-04 / 阅读(416) / 评论(0) 分类 大学英语精读第六册

Every cloud has a silver lining, says the optimist. It follows naturally, then, that the pessimist must favor looking for the rusty lining. Just as the optimist can always find reasons for hoping that bad situations can improve, so the best pessimis

发表于:2018-12-07 / 阅读(301) / 评论(0) 分类 英语散文阅读

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(253) / 评论(0) 分类 2018年VOA慢速英语(一)月

Lesson 4 Black-lead 第四课 黑铅 What is the black-lead in your pencil made of? If you take a bit of the metal which we call lead, you will find that it is grey in colour, very heavy, and not at all like the black-lead in your pencil. But the lea

发表于:2018-12-18 / 阅读(298) / 评论(0) 分类 英国学生科学读本

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(295) / 评论(0) 分类 2017年VOA慢速英语(十二)月

如果我休息,我就会生锈 The significant inscription found on an old key---If I rest, I rust---would be an excellent motto for those who are afflicted with the slightest bit of idleness. Even the most industrious person might adopt it with a

发表于:2019-01-11 / 阅读(323) / 评论(0) 分类 阅读空间

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(329) / 评论(0) 分类 世界各地新闻集锦

Tomorrow is the first day of school. Barbara looks at her backpack. It has holes. It is dirty. She needs a new one. Her mom takes her shopping. There are so many backpacks. One backpack has yellow stars. Another one has rainbow stripes. Another one h

发表于:2019-01-24 / 阅读(284) / 评论(0) 分类 英语第2级听力-English Level 2

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(441) / 评论(0) 分类 VOA常速英语2008年(二月)

正如要想拥有自由就要时刻保持警惕一样,要想取得伟大的,持久的成功,就必须坚持不懈地努力。 If I Rest, I Rust The significant inscription found on an old key---If I rest, I rust---would be an excellent motto f

发表于:2019-01-30 / 阅读(257) / 评论(0) 分类 精美英文欣赏

59 美国科学家正试图培育抗叶锈病小麦 DATE=6-19-01 TITLE=AGRICULTURE REPORT - Developing Wheat Resistant to Leaf Rust BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(337) / 评论(0) 分类 科技之光

> 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(562) / 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(496) / 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(352) / 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(318) / 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(385) / 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(308) / 评论(0) 分类 英语单词荟萃

If I had a crystal ball Then I would know which way the cards were gonna fall If I could read the stars and signs Then I would never have to say the word goodbye A hotel room, an early flight Wish I knew where my head was gonna lie tonight The tears

发表于:2019-03-02 / 阅读(311) / 评论(0) 分类 音乐咖啡厅

Patience, I will be finding myself You thought, you thought I figured it out I'm lost, more lost than I've ever been (Than I've ever been) I never knew how gold would ever turn to this Everything you could imagine Is everything I have now You only wa

发表于:2019-03-13 / 阅读(349) / 评论(0) 分类 英文摇滚歌曲
学英语单词
acuminatums
ADDEE
alkali-calcic series
alternative RNA splicing
amblypygid
antigonon leptopus
ApnN
as flat as a flounder
bar width ratio
beat someone out of his boots
bisync
blocking condeser
bowlder
Braunschweigers
break-period
burst transmission
Busanga Swamp
cataracts
Changteh
chirimoya
CMLA
co-anchoring
co-villagers
cognitive heuristic
comise
conscious intubation
copied cells
corrosive gas
cosine secant construction
Cosmosiin
coupling with rubber-metal ring
defensa
Dellinger
depressurize a reactor
disguise beneath
earth slide
encause
endoxylophyte
epipolar axis
ervasin
ethnosemantic
facts of the case
Fasintsara
floating center
FORMAC (formula manipulation compiler)
foundation for ethnic dance (fed)
genus Acherontia
greenyard
handbarrows
hankypanky
harbour tug medium
hedwigia ciliata
induce sb to do sth
input gear
isopropyl isonitrile
japanilure
Kaifu Toshiki
kept in step with
L region
lapis calaminaris
leglets
letter of retification
life-of-contract high
lint-stock
lower powered
Ludlow Bone Bed
Maqran, Jab.
media agenda-building process
Menīya
Mihranian
MS-DOS Executive
native land
neutral wind shear
non-projects
okanin
orthographist
osarian
outer phalangeal cell
park-in
pfalzian movement
preferential attack
primack
pull a raw one
rdrv
school-record
semiallogenic
sheals
short fetched
sigilism
sorrel-tree
stack up the velvet
stacs
stock-index future
stupid-head
sursum cordas
swollen shoot
ultrasonic thickness gage
unawaked
waxy necrosis of striated muscle
well-attended
wodgy
XP MCE