[化] 加四乙铅; 乙基化

Kaylee: do you want to go out for dinner tonight? Nathan: sure. Have you got anywhere in mind? K: I'm starving, so maybe we could go somewhere with large portions. N: that Italian restaurant in the city centre always has large portions. Do you want t

发表于:2018-11-30 / 阅读(402) / 评论(0) 分类 生活英语情景口语

STEVE INSKEEP, HOST: As a possible summit approaches between President Trump and North Korea's leader, a poem that kids learn in school comes to mind. The poem says, in its entirety, so much depends upon a red wheelbarrow glazed with rainwater beside

发表于:2018-12-02 / 阅读(259) / 评论(0) 分类 2018年NPR美国国家公共电台5月

AS IT IS 2014-05-25 Scientists Search for New Ways to Stop Mosquitoes 科学家们寻找新的方法来对付蚊子 The sound of a mosquito can mean trouble in many parts of the world. The bite of a mosquito can be deadly. Today, we will hear about s

发表于:2018-12-08 / 阅读(278) / 评论(0) 分类 2014年VOA慢速英语(五)月

Following the historic summit between President Donald Trump and North Korean Chairman Kim Jong-un, Secretary of State Mike Pompeo met with the foreign ministers of South Korea, Japan, and later China to brief them on the way forward with North Korea

发表于:2018-12-08 / 阅读(224) / 评论(0) 分类 VOA标准英语2018年(六月)

美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 630,000 people died of malaria-related

发表于:2018-12-19 / 阅读(236) / 评论(0) 分类 VOA双语新闻 2014年1月

Senior Citizens Day is on August the 21st. It is a day to celebrate the worlds older people. Their number is increasing rapidly every year. In 1950 there were 200 million people over 60 years old. That number nearly tripled to 600 million in 2000. Ex

发表于:2018-12-29 / 阅读(320) / 评论(0) 分类 英语课程学习计划和讲义

Pizza Hut is one of the worlds best-known pizza restaurants. It was founded in 1958 in Kansas, USA, by brothers Dan and Frank Carney. Twenty years later, it was bought by Pepsico. Pizza Hut offers dine-in, takeaway and home delivery options in nearly

发表于:2019-01-01 / 阅读(261) / 评论(0) 分类 各大品牌英文介绍

Daddy, lets order a pizza, Billy said. That sounds like a good idea, said his dad. They looked at a menu they had at home. What kind do you want? his dad asked. Billy wanted a large pizza. He wanted a pizza with four toppings. He wanted cheese, peppe

发表于:2019-01-02 / 阅读(277) / 评论(0) 分类 简单慢速英语阅读

A South Korean official says North Koreas leader commented that he is committed to denuclearization of the Korean Peninsula. National security advisor Chung Eui-yong also said that the leaders of North and South Korea are to meet in the capital of No

发表于:2019-01-03 / 阅读(279) / 评论(0) 分类 2018年VOA慢速英语(九)月

Steve: Hi, this is Steve. I'd like to talk about pizza. Pizza is my favorite food. I like it because you can have pizza every day and it can be different each time. My favorite toppings on pizza are pepperoni, mushrooms, basil, garlic. I like lots of

发表于:2019-01-08 / 阅读(234) / 评论(0) 分类 原版英语对话1000个

A: My name is Mary, and I will be your waitress tonight. B: Thank you, Mary. We have been looking forward to trying out this restaurant. A: Before your main course, would you like to order an appetizer? B: Sure, that sounds great. Where are your appe

发表于:2019-01-11 / 阅读(245) / 评论(0) 分类 英语情景对话-餐厅

Promising Mosquito Repellent Announced美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 6

发表于:2019-01-14 / 阅读(248) / 评论(0) 分类 VOA标准英语2014年(一月)

One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds

发表于:2019-01-17 / 阅读(208) / 评论(0) 分类 白领英语晨读

Chinese President Xi Jinping told his U.S. counterpart, Donald Trump, in a telephone conversation late Wednesday that Beijing remains persistent on the denuclearization of the Korean Peninsula. CRI's Yu Yang has more. During the phone conversation, X

发表于:2019-01-19 / 阅读(246) / 评论(0) 分类 2017CRI中国国际广播电台

Sometimes theres a topic that doesnt quite defy explanation but certainly gives one pause in the undertaking. Lucky usthats where we find ourselves today. Why gerunds take a possessive before them. Oy. What's a Gerund? Lets start with what a gerund i

发表于:2019-01-30 / 阅读(321) / 评论(0) 分类 英语语法 Grammar Girl

Khizr Khan Says He Would Live This Week A 'Hundred Million Times' Over KELLY MCEVERS, HOST: Khizr Khan can't go anywhere without being noticed. People hold doors for him, cry when they see him, even jump out of cars to hug him. He became known around

发表于:2019-02-13 / 阅读(371) / 评论(0) 分类 2016年NPR美国国家公共电台8月

On its website, a history of the company makes no mention of leador indeed of Thomas Midgleybut simply refers to the original product as containing a certain combination of chemicals. 在它的网站上,公司的历史没有提及铅──也没有提

发表于:2019-02-17 / 阅读(225) / 评论(0) 分类 万物简史

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

发表于:2019-02-17 / 阅读(238) / 评论(0) 分类 万物简史

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(250) / 评论(0) 分类 万物简史

If you were going to a restaurant and wanted a healthier option, 如果你去饭店,你想吃得健康一点, which would you choose, grilled or fried chicken? 你会选择哪种食品呢,烤鸡还是炸鸡? Now most people would answer grill

发表于:2019-02-21 / 阅读(266) / 评论(0) 分类 TED演讲教育篇
学英语单词
a-minor
actual parameter
advanced weapon
after effect of disease
Allibanis
antimerism
auricular arrest
Azogeranin
baffy
Banthionine
base relation
Beck's disease
bessy cercas
Cantal, Dép.du
centimeter(-re)
code translation equipment
collimating point
completion of measure space
continuous-time estimation
Cotoneaster glaucophyllus
crankshaft pin
CYP2E1
d-in
Dietroxine
direct b/l
disk stack
dynamical diffraction
e-series
earless seal
easy starter
educational opinion inventory
efforced
egorovas
evacuation of intraspinal abscess
fire-fighting medium
foreheed
fueling injection area
Gauss-condition error
geosynchronous communication satellite
giri
glide-path receiver
guaiacol phosphate
high-backeds
hoar-headed
homogeneous period
Inchmaree clause
integrated network architecture
jahncke
joint universal
juliet
kauais
kruger spoof
licensing criterion
liptocenosis
look round the corner
loverman
marine wiring accessoroies
medical officer
methylaurin
moderatorial
mujaheddins
N-propylnaphthylamine
nit-pickings
normalization transformation
panel switch
pile technology
porotrichum fruticosum
porous materials
posterior sclerosis
power collection
pre-analysis
printer operating speed
producer gas tar pitch
pseudoplastic Reynolds number
rape-crisis
recolet
record-settings
replacement dynamics
resettle
rosebrow
sarcomatous osteitis
sectionalized line
sivs
small-peasant economy
soil core budding
somatosensory area
steatomatous
stray flux
supporting rack
tandaho (tendaho)
tapping machine
Tepelenës, Rrethi i
thermofluid system
thermogravimetries
time pieces
triple valve exhaust stub tube
twin-bedded
ultrasonic polymerization
undeciding
undoubtly
vegetalization
velocity compounded turbine