[医] 兆比率(百万分之几)

This is the VOA Special English Development Report. Workers clean up lead paint at a building in Providence, Rhode Island in 2006. A new study shows that lead-based paint remains a worldwide threat to public health. Paint containing lead is a major

发表于:2018-12-07 / 阅读(186) / 评论(0) 分类 VOA慢速英语2009年(八)月

[ti:UNIT 2 Plant a Plant! Lesson 10: Plant Parts] [0:00.363]UNIT 2 第二单元 [0:02.105]Plant a Plant! 培育植物 [0:03.775]Lesson 10: 第10课: [0:05.444]Plant Parts 植物的组成部分 [0:07.100]THINK ABOUT IT! 想一想 [0:08.539]How many

发表于:2018-12-13 / 阅读(152) / 评论(0) 分类 河北教育初中英语(初中起点)八年级下册

First Flight Completed of Plane with No Moving Parts Engineers say they have carried out the first-ever flight of an electric airplane with no moving parts. Researchers at the Massachusetts Institute of Technology, or MIT, recently shared video of th

发表于:2018-12-14 / 阅读(80) / 评论(0) 分类 2018年VOA慢速英语(十一)月

Local governments in many parts of eastern China are taking steps to try to conserve energy in the midst of the heat wave which has seen temperatures in many parts of the region top 40-degrees. CRI's Shen Chengcheng with more. Heat alerts have been i

发表于:2018-12-19 / 阅读(77) / 评论(0) 分类 世界各地新闻集锦

By Al Pessin Washington 02 August 2007 Investigators from the U.S. Congress say earlier this year the Defense Department sold nearly 1,400 collections of surplus parts that can be used in aging fighter jets now only flown by Iran, in spite of a ban o

发表于:2019-01-06 / 阅读(141) / 评论(0) 分类 2007年VOA标准英语(八月)

By Brian Padden Irbil, Iraq 27 September 2007 Recent outbreaks of cholera in parts of Iraq highlight the need for basic services like clean water.Development projects in much of the country have been delayed because of the deteriorating security situ

发表于:2019-01-07 / 阅读(115) / 评论(0) 分类 2007年VOA标准英语(九月)

Bugs 虫子 What are bugs? Bugs usually have thick skin. 什么是虫子?它们通常有厚厚的外壳。 There are many kinds of bugs. 虫子有很多种。 Some bugs have body parts. 有些虫子有身体部位。 For example, antibodies have th

发表于:2019-01-10 / 阅读(83) / 评论(0) 分类 与美国小学生一起学英文第10册

Kyoto Protocol Winds Down As Delegates Head To Doha As delegates from 190 countries head for Doha to try to forge a new deal on tackling global warming, the Kyoto Protocol - signed in 1997 - is due to expire at the end of the year. That deal sets bin

发表于:2019-01-14 / 阅读(89) / 评论(0) 分类 VOA标准英语2012年(十一月)

Smoke from forest fires, largely in Indonesia, has shrouded parts of Southeast Asia in thick haze. It is a seasonal problem in the region that will not go away. Putrajaya's landmark Putra Mosque (l) and Prime Minister's building seen covered by haze

发表于:2019-01-14 / 阅读(72) / 评论(0) 分类 VOA标准英语2009年(八月)

Severe Weather Conditions Hit Parts of Europe, US, Asia 美国、欧洲、亚洲部分地区遭遇恶劣天气 WASHINGTON Severe winter weather is affecting the lives of people in many parts of the world. Stormy weather battered Britain's western coa

发表于:2019-01-14 / 阅读(57) / 评论(0) 分类 VOA标准英语2014年(二月)

Welcome to Thursday's edition of CNN student news. It's good to see you. I'm Carl Azuz at the CNN Center.First up, at least 20 people were injured yesterday at a high school in Pennsylvania. Some of them very seriously, and one student is being held

发表于:2019-01-19 / 阅读(89) / 评论(0) 分类 CNN2014年(四)月

New Guinea is a vast island nestled close to the continental landmass of Australia. As we move south and east, to smaller, more distant islands, the wildlife becomes even more unusual.

发表于:2019-01-21 / 阅读(61) / 评论(0) 分类 跟着英剧练发音

手机坏了,你是选择扔掉重新换个还是拿去修理一下呢?修理一些重新投入使用会给你省下不少钱..... Rob: Hello and welcome to 6 Minute English, I'm Rob and with me is Jen. Jen: Hello Rob. Rob I'm having a problem wi

发表于:2019-01-23 / 阅读(88) / 评论(0) 分类 一起听英语

GWEN IFILL: There's yet another new revelation in General Motors' mass recalls over faulty ignition switches. Internal e-mails show GM ordered half-a-million replacement switches nearly two months before telling safety regulators about the problem. T

发表于:2019-01-27 / 阅读(74) / 评论(0) 分类 PBS访谈商业系列

Tools Are Body Parts to Brain In a report in the journal Current Biology, researchers claim that the brain interprets a tool, such as a hammer, as a temporary extension of your physical body. Karen Hopkin reports [The following is an exact transcrip

发表于:2019-01-30 / 阅读(122) / 评论(0) 分类 60秒科学

发表于:2019-01-30 / 阅读(122) / 评论(0) 分类 2006年慢速英语(五)月

While torrential rains continue to pound south China, it's a different story in central and northern parts of the country over the past couple of months, with dry weather causing droughts in some places. The situation was improved in parts of north C

发表于:2019-02-05 / 阅读(77) / 评论(0) 分类 cctv9英语新闻2016年

台湾籍旅美老师今天交给我们的句子是: The impact of CO2 at 2500 parts per million on the human brain is the equivalent of a blood alcohol level of 0.08. 二氧化碳浓度为0.25% 对大脑的影响程度,相当于酒测值0.08。

发表于:2019-02-14 / 阅读(55) / 评论(0) 分类 留美老师带你每日说英文

The State Council, China's cabinet, has released its timetable to upgrade fuel quality nationwide before 2017. The new standard for petrol and diesel, with sulphur content within 10 parts per million, is expected to be in practice nationwide by 2017.

发表于:2019-02-21 / 阅读(75) / 评论(0) 分类 英闻天下

By 1958, when people in lab coats started to pay attention to it, it had risen to 315 parts per million. 到1958年实验室人员开始重视这个问题的时候,那个数字已经上升到百万分之三百一十五。 Today it is over 360 parts

发表于:2019-02-25 / 阅读(99) / 评论(0) 分类 万物简史
学英语单词
13C-NMR
a-lister
aethelred
amycin
ancientnesses
arbitrable difference
Ardcath
Argentinian hemorrhagic fever
atheophobes
bank supervision
bear responsibility for
beardly
biocular
broadbrim
buyback
cable-car
cerebral anemia
comparative ad
confirm receipt
confucian culture
deconvolves
defectibility
deferred hedging
dialup site
digit select
discharge static pressure
Distictis
do you love me
double ended boring machine
equalizing piston valve
equivalent action
error messages
etherates
faaan
fluorescent ballast
genus menopons
granulomatous pneumonia
guilers
Hadamard transform spectroscopy
half decker
hidden information
Ill weeds grow apace
in a box
indeterminate case
industrial exhibition
instrumental spectroscopy
jianzhi
king post system
leidsestraat
lorsbach
magnetic bow
meatemia
mechanical coal firing
Military Frontier
moko jumbie
multiple-stage washer
myelinisations
neoterising
non-business days
off the hook
one-out-of-ten code
Oneg Shabbat
ophiophrixus
oppignerate
oxidizing power of root
Panama disease of banana
pariae
Pedreiras
phaleria atriceps
pixel pattern
public funds
quasi delicta
semi-computable predicates
serpulid
Shema
shore hardness tester
silver-tungsten alloy contact
Sligo(Sligeach)
sno-cat
socket-wrench
spasov
squareness gauge
statin
stem cell defect
Sticaceae
stone roll beater
strained-si channel
superpressure boiler
tearier
through cargo clause
transaction journal
Triones
vagines
variable transformation
waguespack
weathered wheat
well-run
white-led
work blast
zaguan
zone observation