音标:[bai'ɔtik;-kəl] ;
adj. 【生物学】;生物的,生命的;由生物作用促成的,生物引起的

发表于:2018-12-13 / 阅读(157) / 评论(0) 分类 Wee Sing Around the World

By Carol Pearson Washington 28 February 2007 watch Antibiotic Resistance report Penicillin and Erythromycin are examples of antibiotics that used to be one-time miracle cures. These drugs and other antibiotics are now less effective because bacteria

发表于:2018-12-16 / 阅读(120) / 评论(0) 分类 2007年VOA标准英语(二月)

Al-Awlaki's Death Leaves Gap in al-Qaida The death of a senior al-Qaida figure by a U.S. air strike in Yemen leaves a gap in the senior ranks of what counterterrorism officials say is the most lethal of the group's franchises, Al-Qaida in the Arabian

发表于:2018-12-16 / 阅读(109) / 评论(0) 分类 VOA标准英语2011年(十月)

Al-Awlaki Was Prominent Al-Qaida Voice Aimed at West Radical cleric and wanted terrorist Anwar al-Awlaki was killed Friday in Yemen in what news reports say was a coordinated air strike by the U.S. Central Intelligence Agency. Al-Awlaki was an Americ

发表于:2018-12-16 / 阅读(95) / 评论(0) 分类 VOA标准英语2011年(十月)

How's the weather today? It's really cold. Let's stay inside. How do you feel? I'm fine. That's good. How are you feeling? Not too good. Sorry to hear that. Is everything okay? I feel sick. That's too bad. What's wrong? I have a headache. Here's some

发表于:2018-12-17 / 阅读(147) / 评论(0) 分类 英语词组对话

STEVE INSKEEP, HOST: This year Americans will spend more than $2 billion on probiotics, supplements aimed at boosting what are called good bacteria inside us. One part of the market that's growing rapidly is probiotics for babies and kids. Here's NPR

发表于:2018-12-17 / 阅读(88) / 评论(0) 分类 2018年NPR美国国家公共电台5月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(118) / 评论(0) 分类 单词解析速记

Proposal 求婚 My boyfriend proposed to me. 男友跟我求婚了. As he told me, I thought excited and shy. 当他跟我说的时候,我觉得很兴奋又害羞. We've gone now since 1999. 我们从1999年就已经开始交往. It made me so happy and I decided to marry him in 3 mont

发表于:2019-01-02 / 阅读(196) / 评论(0) 分类 不用背句型学英语

Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if its not the rain that makes the forestswhat if its the forests that actually generate the rain? Thats the contention of a paper in BioScience

发表于:2019-01-02 / 阅读(164) / 评论(0) 分类 60秒科学

By Stephanie Ho Washington 01 January 2006 U.S. health officials acknowledge they do not know if the H5N1 flu virus that has led to the deaths of millions of poultry in Asia and has recently been foun

发表于:2019-01-04 / 阅读(137) / 评论(0) 分类 2006年VOA标准英语(一月)

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(124) / 评论(0) 分类 Scientific American(五)月

117. I havent seen Xiao Li lately .How is he? 118. Hows your father been? 119. As a matter of fact ,he hasnt been feeling too well. 120. Im sorry to hear that.Whats the matter? 121. He has a slight fever. 122. Tell him I hope hes better soon. 123. Il

发表于:2019-01-08 / 阅读(184) / 评论(0) 分类 公务员英语口语

By Ernest Leong Washington, DC 16 June 2006 watch Iraq report Ayyub al-Masri U.S. military leaders believe they have identified the successor to slain terrorist leader Abu Musab al-Zarqawi. There is a debate about whether Zarqawi's death will weaken

发表于:2019-01-11 / 阅读(174) / 评论(0) 分类 2006年VOA标准英语(六月)

BBC Learning English Weekender Carbon Neutral Al Gore Callum:Hello, I'm Callum Robertson and this is Weekender. Al Gore was the vice president of the United States under Bill Clinton from 1993 to 2001. He very nearly became the President in a contro

发表于:2019-01-11 / 阅读(197) / 评论(0) 分类 Weekender

Syria Bombings Could Signal al-Qaidas Engagement Protesters flee gunfire in the Syrian town of Aleppo. And near Damascus, amateur video shows United Nations peace monitors edging their vans through anti-government protesters. The protests came after

发表于:2019-01-13 / 阅读(133) / 评论(0) 分类 VOA标准英语2012年(五月)

ROBERT SIEGEL, HOST: Now some good news, especially for babies around the world. Scientists in the U.S. and India have found an inexpensive treatment for a common infection. It could save hundreds of thousands of newborns each year. The treatment com

发表于:2019-01-16 / 阅读(134) / 评论(0) 分类 2017年NPR美国国家公共电台8月

RACHEL MARTIN, HOST: Go online, walk through any health store or supermarket, and you'll find all kinds of products being sold as probiotics. They're being promoted for all kinds of things - preventing upset stomachs, boosting the immune system, figh

发表于:2019-01-16 / 阅读(100) / 评论(0) 分类 2017年NPR美国国家公共电台12月

By Barry Newhouse Irbil 03 May 2007 The U.S. military says it has killed a senior leader of al-Qaida in Iraq who was involved in the kidnappings of several Westerners. Iraqi officials also have announced two other high-profile al-Qaida deaths in rece

发表于:2019-01-23 / 阅读(155) / 评论(0) 分类 2007年VOA标准英语(五月)

Probiotic yoghurt drinks and supplements dont live up to their promises, according to an EU watchdog. They claim to boost your immune system and help digestion. It concluded there is no scientific proof that products such as Yakult have any health be

发表于:2019-02-04 / 阅读(97) / 评论(0) 分类 阅读空间

Justine Siegal has made history by becoming the first woman to pitch batting practice for a Major League Baseball team. Despite a case of nerves, the pony-tailed Siegal broke the gender barrier with spring training pitching stints for the Cleveland I

发表于:2019-02-07 / 阅读(162) / 评论(0) 分类 英语新闻
学英语单词
A.&.C.P.
activity standard
aecidium blumeae
affine parameter
affrayed
air sea rescue boat
alternate operations
ammonium uranylfluoride
Angolese
application specific integrated circuit
apterodicera
Baffin Bay
camellia
cashed out
cast-in-place reinforced concrete slabs placed on steel decks
Cucalón, Sa.de
curio dealer
daal
daises
design(ed) value
diploneis notabilis
EBITD
embryo removal
epithelioma molluscum
ewas
expense related to bond retirement
fiance
flagella stage
fluorographic
gas-holder foundation
genus Stapelia
Gorno-Altayskaya AO
gradient descent algorithm
grouse disease
hatcheling
hereditary arthrodysplasia
hexaammine cobalt chloride
ice push
iotyrosine
izmel
jet shale
Justicia diffusa
lamph heart
Lipschutz's disease
long-term loans
Mactards
maitresses
make up for sth
material flow
Mezasulfamid
microstrength of coke
Minos pattern recognition machine
missed loop
misspecification test
mpsk (multi-phase shift keying)
msa (metropolitan statistical area)
multi-failure
multifrequency transmitter
name-plate
non-homogeneous stress
normal operation earthquake
ophthalmosta
optical character viewer
overcast circle
particular rules
pavement artist
point the bone
poise pan
pomachromis richardsoni
possessors
post-filtering
presinter
protec
rathere
relativist jurisprudence
remote control operation
rhason
safety rules
sarcoma of spermatic cord
scabricola ocellata
semi-protected motor
single rotor turbine
sodium peroxodisulfate
spasmoxale
stave-rhyme
Susi
tactical qualities
tail end joint
Take Thatter
tapless
timebounds
total error of dvision
trende
trottest
truck sampling
vat red brown
walkid-lookie
wast
wooden truss
woodified
Y-linked
Yaran'