草酸氢铵;乙二酸氢铵

There are many arguments about the advantages and disadvantages of examinations. Some people think that examinations can help them review the lessons regularly, while others maintain that too many examinations have frustrated them. To me I think an e

发表于:2018-11-28 / 阅读(165) / 评论(0) 分类 疯狂英语易背作文

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:2018-11-30 / 阅读(342) / 评论(0) 分类 24篇魔术美文串记4级词汇

Fearing Bioterrorism Natalie: Why are you wearing that gas mask? Anton: Im getting used to it. If we ever have a bioterrorist attack, Ill be ready. Want to try one on? Natalie: No, thanks. If we get involved in biological warfare, I think well have s

发表于:2018-12-03 / 阅读(126) / 评论(0) 分类 2013年ESL之就医和人际交往

[00:00.00]Module 1 LEARNING METHODS [00:05.54]Unit 3 Some of the exams were very difficult. [00:11.24]4 Listen and complete. [00:15.06]Mum,I have my report here. [00:18.39]Great. Can you give it to me,please? [00:21.26]Sure. [00:22.78]Oh, this is for

发表于:2018-12-04 / 阅读(131) / 评论(0) 分类 外研社新标准初中英语九年级

New IMAX Space Documentary Brings Images to Life 新的3D IMXA给生活带来新的享受 What we watched then were blurry and grainy TV transmissions. Now, the 45-minute IMAX documentary puts the aud

发表于:2018-12-08 / 阅读(90) / 评论(0) 分类 VOA2005(下)--环境科学探索

In business, Optus has called for Telstra's proposals on its participation in the national broadband network to be blocked. Optus' chief executive Paul O'Sullivan says Telstra's current plan for the separation of its retail and wholesale arms wholesa

发表于:2018-12-11 / 阅读(115) / 评论(0) 分类 澳洲ABC新闻快递2011年

蒋健棠听说学英语 Chapter16:The wildlife biologist

发表于:2018-12-26 / 阅读(165) / 评论(0) 分类 蒋健棠听说学英语

新编英语教程第五册unit07_2_mouse_cloning_begins_bio-industri

发表于:2018-12-29 / 阅读(83) / 评论(0) 分类 新编大学英语阅读部分

Natalie: Why are you wearing that gas mask? Anton: Im getting used to it. If we ever have a bioterrorist attack, Ill be ready. Want to try one on? Natalie: No, thanks. If we get involved in biological warfare, I think well have some warning. Anton: T

发表于:2019-01-01 / 阅读(94) / 评论(0) 分类 地道美语播客

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson (Start at 1'04

发表于:2019-01-02 / 阅读(175) / 评论(0) 分类 科技之光

By Mario Ritter Broadcast: October 28, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Farmers have long put animal waste on their fields. They may also use human waste. Mode

发表于:2019-01-02 / 阅读(145) / 评论(0) 分类 VOA2003(下)-农业与经济

By Nancy Steinbach EDUCATION REPORT -July 25, 2002: SAT Examination This is the VOA Special English Education Report. Each year, millions of people around the world apply to study at American colleges

发表于:2019-01-06 / 阅读(109) / 评论(0) 分类 教育与新闻

Technology Report - Scientists Develop Smartphone App for Eye Exams This is the VOA Special English Technology Report. More than two hundred eighty million people around the world have vision problems or are blind. The World Health Organization says

发表于:2019-01-12 / 阅读(114) / 评论(0) 分类 2011年VOA慢速英语(五)月

'Terrorists in Love' Examines Islamic Radicals How does a young man transform from a law-abiding middle-class citizen into a terrorist? Ken Ballen, a former federal prosecutor, spent five years trying to find answers to that question. The result is a

发表于:2019-01-13 / 阅读(116) / 评论(0) 分类 VOA标准英语2011年(十一月)

Anyone who arrives in New Zealand by plane knows about Biosecurity NZ. Bio means living and security means safe. Biosecurity NZ is a government department. Their job is to make our country safe from unwanted living pests. These pests are plants, anim

发表于:2019-01-27 / 阅读(107) / 评论(0) 分类 新西兰英语

AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have

发表于:2019-01-30 / 阅读(134) / 评论(0) 分类 农业与发展

AGRICULTURE REPORT - Biocontrols, Part 2 By Mario Ritter Broadcast: Tuesday, April 20, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biocontrols are the way nature seeks ba

发表于:2019-01-30 / 阅读(124) / 评论(0) 分类 农业与发展

Kenya is joining a long list of countries planning to produce diesel fuel from the poisonous-but-oil-rich seeds of the jatropha tree, a plant indigenous to South America. The tree is at the heart of a five-year strategy to develop a bio-fuel industr

发表于:2019-02-06 / 阅读(134) / 评论(0) 分类 VOA标准英语2008年(八月)

俄罗斯莫斯科的一位生物能量学教授近日宣布,他已研制出一种能够有效延缓衰老的不老药,并有望于几年内上架销售。这位科学家用40年的时间研制出一种抗氧化剂,能够有效抑制氧分子对人

发表于:2019-02-06 / 阅读(153) / 评论(0) 分类 阅读空间

One of the most common questions cancer patients ask their doctors is: has the disease been contained or will it spread. A recent study by U.S. and Chinese researchers may help provide clues. The scientists examined genetic(遗传的,基因的) m

发表于:2019-02-18 / 阅读(73) / 评论(0) 分类 英语新闻
学英语单词
abstract rheological concept
adarism
add-back
additive white noise
agency loan
albufera
ammonia-lyase
Aunggyantha
automatic bagging scale
bellows meter
bodai
bovver
british house of lordss
bubbling-carburettor
burgeyse
camphanonic acid
cathodically
come in sight
complex-Bound
continental rift system
crude dyug ecology
dahabeeah
deoxycytidylyl
depreciation-sum of expected life method
dictyoid
downstream pier nose
driving cap
edaphon
electrical discharge recording paper
empathy
expected time of sailing
fabric flamability
false-color film
family Crassulaceae
fasciatum
financial turmoil
fluoracyl fluoride
free space field intensity
front wheel dust washer
functional earth conductor
fund of disbursement
Fürstenhagen
garbled
goethals
hecamede persimilis
hydroliquefaction
hydroxy ion
impulse current meter
Indolinylidene
knurled nut
lavalley
LCC (local communication console)
lechner.
license plate light
mampava bipunctella ragonot
microcrystalline reaction
miriest
more than a woman
Nodus lymphaticus lacunaris lateralis
not know A from from A to B
parasports
parliament
permissive action link device
plastic film capacitor
pocketful
pull out type fracture
re-occupy
read someone's hand
recurrency relation
relexicalize
run short
saruplase
sedge wren
self-adhesive laminate
simple pushdown automaton
single stage,single suction volute pump
single-turn deflection
six-foot
sm steel
SMaj
spiracular plate
stationery case
steel powder
STG
sun-burnt
sung along
supercrips
sympath(et)ico-
tape-recordings
taxes levied for other governmental unit
termierite
thermocolour
thermodilatometric curve
thyratron automatic voltage regulator
toneme
trichromatically
voice-frequency amplifier
Waimarie
weight shaft
white stretch
zoomarlens