[化] 乙醇钡; 乙氧基钡

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(214) / 评论(0) 分类 2014年VOA慢速英语(五)月

A: How may I help you? B: I need to return these books. A: Give them here. B: Here they are. A: It appears these books are two weeks late. B: I forgot they were due. A: You do realize you are going to have to pay late fees, right? B: How much is the

发表于:2018-12-16 / 阅读(164) / 评论(0) 分类 英语情景对话-图书馆

A: How may I help you? B: I need to check these books out. A: Do you have your library card? B: Here it is. A: It appears that you have late fees. B: Really? A: Yes, really. B: How much do I owe? A: You owe $24.50 in late fees. B: I dont have that mu

发表于:2018-12-16 / 阅读(157) / 评论(0) 分类 英语情景对话-图书馆

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(178) / 评论(0) 分类 VOA双语新闻 2014年1月

A: When is the bus going to get here? B: It's obviously late. A: It was scheduled to be here about thirty minutes ago. B: I'm sure it'll be here in a little bit. A: I hope so, because I'm running really late for work. B: I hate having to take the bus

发表于:2018-12-30 / 阅读(197) / 评论(0) 分类 实用乘车英语

It's a little too late, I'm a little too gone; A little too tired of this hangin' on: So I'm lettin' go while I'm still strong enough to. It's got a little too sad, I'm a little too blue; It's a little too bad you were too good to be true. I'm big-t

发表于:2019-01-09 / 阅读(162) / 评论(0) 分类 美国乡村音乐

Situation: LinZhi and Joe have recently graduated from university,and are discussing the trouble they are having finding jobs. 情景:林芝和乔刚从大学毕业,他们在讨论找工作过程中遇到的问题。 Joe: So,how`s the job-hunt go

发表于:2019-01-11 / 阅读(179) / 评论(0) 分类 实用英语

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(183) / 评论(0) 分类 VOA标准英语2014年(一月)

A: Can I ask you a question? B: Sure, what's up? A: Well, I was just wondering if you'd like to go out this Friday. B: Really? A: Yeah, I was thinking we could get a bite to eat and catch a movie. B: That sounds like fun. A: Of course, we can do some

发表于:2019-01-15 / 阅读(163) / 评论(0) 分类 英语情景对话-约会

A: Hi, Todd, how is it going? B: Things are going well. How are you, Mary? A: I've also been doing well. B: You know I've been thinking about maybe taking in a movie this weekend. Do you like to go to the movies? A: Yes, I really enjoy movies. B: Wel

发表于:2019-01-15 / 阅读(264) / 评论(0) 分类 英语情景对话-约会

A: Can I ask you something? B: Sure you can. What's going on? A: Would you go out with me on Friday? B: Are you for real? A: I thought that we could go to dinner and a movie. B: That actually sounds like it would be a lot of fun. A: Unless there's so

发表于:2019-01-15 / 阅读(195) / 评论(0) 分类 英语情景对话-约会

A: May I ask you a quick question? B: Of course. A: How would you like to go on a date with me this Friday? B: Seriously? A: Well, I figured that we could go see a movie and get some dinner. B: Cool, that sounds like it will be fun. A: We can always

发表于:2019-01-15 / 阅读(168) / 评论(0) 分类 英语情景对话-约会

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(154) / 评论(0) 分类 白领英语晨读

玫瑰是一个传说 People have been passionate about roses since the beginning of time. In fact, it is said that the floors of Cleopatra's palace were carpeted with delicate rose petals, and that the wise and knowing Confucius had a 600-bo

发表于:2019-02-01 / 阅读(192) / 评论(0) 分类 阅读空间

1) Go on a date 去约会 2) Dinner and a movie 先吃饭, 然后去看电影 3) He is such a gentleman 他是一位真正的绅士 4) Chivalry 对女孩子的谦恭有礼

发表于:2019-02-03 / 阅读(164) / 评论(0) 分类 OMG美语

Hey, I'm going to tell you about my wax museum story. Um, so I would go with my little host brother, Javi, on our little dates because he never went into the city, although he lived really very close to the city, he would just never go into Madrid. S

发表于:2019-02-06 / 阅读(176) / 评论(0) 分类 原版英语对话1000个

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(175) / 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(189) / 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(198) / 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(206) / 评论(0) 分类 TED演讲教育篇
学英语单词
academizes
all-fiber
alveolus macrophage derived growth factor
aretting
average growth rate
axomadol
back-step welding
balanced duplexer
besmottered
boal
break-in device
Burns's amaurosis
caddieless
chicory escarole
Chirita lunglinensis
closed harbor
coating varnish
compunctually
consumer demand equation
copia element
crawking
criterion variable
critical gradient
Dehn-Clark's method
Delinal
deltek
demotic
differential protection valve
digital tablet
direct inhibition
donelans
ECLG
epidermis cell nucleus
eucaform
euphemized
European Conference on Satellite Communications
fire resisting shaft
first-run vehicle
flight director (f/d)
fuzzy event
Gambēla National Park
general cargo ship
Gerstmann
Gijzegem
ground firs
hereditary difference
hoist down
hot override switch
Imazapic
infare
intercovertible
katarzyna
lay rector
light smoked fish
line-of-sight stabilization
link tilt assembly
locomotive coil
lueders
lyge
malacic chondrodystrophy
mandibular segment
mechanical spring
micro-etching
minicomputer software devlopment
mortgage delinquency
mortuus
move-ments
National Palace Museum
neurocommunications
neutral lard
not care a curse
palato-maxillary indices
photomeson production
pipe-type electric precipitator
placentography indirect
plasmolyzed
plate-burning machine
polyadenia
polynomial transform coding
position command signal
precise positioning service
prototergite
psm process
ribbed-case bearer
role schema
Sauk Center
science museums
Scottish Enlightenment
skid pile-driver
sonar echo sounder set
spises
sprayeder
subduple
tetraphernl hydrazine
three-phase induction type automatic voltage regulator
towergroup
ultroneously
uniline
vict'lar
Vollenhove
wind gaps
wrinkle distributing roller