甘薯茎线虫病

44 用来控制有害树种的昆虫 DATE=6-1-01 TITLE=ENVIRONMENT REPORT - Insects to Control Harmful Trees BYLINE=George Grow (Start at 1'01

发表于:2018-12-07 / 阅读(125) / 评论(0) 分类 文化聚焦

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If you paid attention during high school biology, you probably remember that girls are born with all the eggs theyll ever have, whereas guys are churning

发表于:2018-12-24 / 阅读(138) / 评论(0) 分类 Scientific American(十一)月

In so doing, I reached a frontier of biology so strange, so rich, 通过这样的方式,我来到一个非常古怪却又非常丰富的生物学领域, that it seemed as though it exists on another planet. 简直就像降临到别的星球一样。

发表于:2019-01-03 / 阅读(165) / 评论(0) 分类 TED演讲科学篇

This is Scientific Americans' 60-Second Science. Im Cynthia Graber. Thisll just take a minute. When is an ant like a piece of fruit? When its infected by a parasite. Researchers affiliated with the Smithsonian Tropical Research Institute discovered t

发表于:2019-01-08 / 阅读(160) / 评论(0) 分类 Scientific American(二)月

By Steve Herman New Delhi 04 June 2008 More than 10,000 people have been arrested in Bangladesh, the past week, as part of an ongoing crackdown by the government. Political activists are among those being jailed in what officials call a sweeping ant

发表于:2019-01-11 / 阅读(201) / 评论(0) 分类 VOA标准英语2008年(六月)

Cocoa Foundation Selects Researchers for US Study The scientists are from Costa Rica, Ghana, Vietnam, the Philippines and three from Cote dIvoire, the worlds largest producer of cocoa beans. While in the United States, theyll work with a mentor at re

发表于:2019-01-14 / 阅读(142) / 评论(0) 分类 VOA标准英语2012年(十二月)

今天我们再学几个美国政坛常用的习惯用语。第一个是:landslide。 Landslide,原来的意思是山崩、塌方,是由于大雨或者地震而导致大量的泥土石块从高处崩塌下来。这样由泥石汇成的巨流有排

发表于:2019-01-19 / 阅读(257) / 评论(0) 分类 美国习惯用语

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(339) / 评论(0) 分类 VOA常速英语2008年(二月)

> 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(228) / 评论(0) 分类 科技之光

今天我们要学的词是sweep。 Sweep, 大家都知道,是扫地的意思,不过,sweep还有另外一个意思,指赢得比赛的全部胜利。 Jamaica became the first nation in Olympic history to sweep the gold, silver and bronze medal

发表于:2019-02-05 / 阅读(137) / 评论(0) 分类 英语单词荟萃

By Cindy Saine Washington 13 February 2008 Senator Barack Obama has scored three decisive primary victories, Tuesday over Senator Hillary Clinton, winning big in Maryland, Virginia and Washington, DC in the race for the Democratic presidential nomina

发表于:2019-02-05 / 阅读(140) / 评论(0) 分类 VOA常速英语2008年(二月)

By Jim Malone Washington 20 February 2008 In the U.S. presidential race, Barack Obama has now won10 straight contests in his battle with Hillary Clinton for the Democratic Party's presidential nomination. Meanwhile, John McCain moved another step clo

发表于:2019-02-05 / 阅读(159) / 评论(0) 分类 VOA常速英语2008年(二月)

今天我们要学的词是sweep。 Sweep, 大家都知道,是扫地的意思,不过,sweep还有另外一个意思,指赢得比赛的全部胜利。 Jamaica became the first nation in Olympic history to sweep the gold, silver and bronze medal

发表于:2019-02-05 / 阅读(164) / 评论(0) 分类 英语每日一词

CHANGZHOU, Jiangsu Province, Sept. 17 (Xinhua) -- Chinese badminton team were on verge of another clean sweep after last month's world championships as they had secured one-two in three of the five events on Saturday. Shuttlers from other teams could

发表于:2019-02-05 / 阅读(197) / 评论(0) 分类 英语新闻

BEIJING, Nov. 20 (Xinhua) -- A cold front will sweep most parts of China over the next three days, bringing strong winds and temperature drops, the National Meteorological Center forecast Tuesday. From Wednesday to Friday, temperatures will drop from

发表于:2019-02-08 / 阅读(190) / 评论(0) 分类 英语新闻

Strong cold front to sweep China BEIJING, Oct. 14 (Xinhua) -- A strong cold front coming from northwest China's Xinjiang Uygur Autonomous Region will drop temperatures in most parts of China in the next three days, the country's national observatory

发表于:2019-02-08 / 阅读(175) / 评论(0) 分类 英语新闻

Cold snap to sweep through China BEIJING, Oct. 28 (Xinhua) -- China's central and eastern regions will experience temperature drops in coming days, while the southern parts will receive moderate to heavy rain, the national meteorological watchdog for

发表于:2019-02-13 / 阅读(185) / 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(203) / 评论(0) 分类 VOA常速英语2007年(十二月)

BEIJING, Feb. 15 (Xinhua) -- A strong cold front is expected to sweep most of China, dragging down temperatures by up to 14 degrees Celsius in some areas. The cold front will lower temperatures by 6 to 10 degrees Celsius in most parts of China during

发表于:2019-02-18 / 阅读(169) / 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(207) / 评论(0) 分类 英语单词荟萃
学英语单词
adaptive differential pulse-code modulation
adjustment of actual total loss
aeronomist
aircraft construction
alexipharmacs
antenna efficiency
anticking
arctangent
arteria coeliaca
Atrigel
axial-plane schistosity
benefieial
Bleskensgraaf
bouguer effect
branchicolous
break a fly on a wheel
buff grinder
casehardening stress
Cefprozi
Chalain, L.de
Christian I
churchite
clandestine sale
clergyse
co-assume
control surface inverse effect
corrected outside air temperature
criterion of least squares
curium(iv) oxide
cutting plane algorithm
deertongue leaf
dew caution
English sole
eulogism
external lap
eye you
flumped
force servo
FT device
genus Notophthalmus
Gormanstown
Grand Coulee
high rate discharge
holding-backs
hydatidoma
image consultant
immunopharmacologists
infixions
intermediate container
intrasexual
Karel
kier
Kirchweidach
leupeptins
mainstays
marie-laure
Mbengué
mean-square value
menglaensis
money-tree
mono no aware
Mormon
Mulemba
multiposition mechanical pump
noncharacter type variable
nonmusicians
np complete
O. P. D.
one-pulse delay
organosedimentary
paucis verbis
piecewise linear approximation
Plagiorchiinae
Psara, Nisos
puniest
recuperated yarn
rejectaneous
road bowling
roll-about videoconferencing
schistocormia
secrecy message
should not be
sliming table
speciesarea effect
spreading loss
stop motion
strip coal
subclauses
sulfobenzoate
sydney carton
synonymist
synthetic call option
Teriam
three-address code
toe standing
tridel
Trinway
underwater cutter
unique proximity
upper portion
vacuum coefficient
visualisations