[化] 氯甲酸乙酯

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(146) / 评论(0) 分类 2014年VOA慢速英语(五)月

Chloroform Poisoning Might Have Killed Odessa Activists 敖德萨活动人士或许死于氯仿中毒 ODESSA, UKRAINE Ukraine's government says 32 pro-Russian activists who died during a fire in a building they had taken over early this month in Odes

发表于:2018-12-16 / 阅读(73) / 评论(0) 分类 VOA标准英语2014年(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(86) / 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(84) / 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(98) / 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(116) / 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(97) / 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(110) / 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(97) / 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(102) / 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(102) / 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(76) / 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(120) / 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(99) / 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(106) / 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(100) / 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(116) / 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(112) / 评论(0) 分类 万物简史

本期内容: A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou

发表于:2019-02-20 / 阅读(98) / 评论(0) 分类 夏说英语新闻晨读

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(133) / 评论(0) 分类 TED演讲教育篇
学英语单词
aculeate
adipochrome
Amestest
ankylopteryx (sencera) exquisita
anterior cardinal sinus
banita
barrio
be brief
berovin
bookcraft
butt-cheek
cargo list
carpet munchers
caseless cartridge
Centropogon
Cesio
chemical reprocessing plant
Christian soldier
churn staff
cicatrise
compensatories
concertations
consular marriage
controlled atmospere arc welding
cornrow
depleted reservoir
diectric separation
diplopterygium laevissimum
disengaged vapour
disrespectable
Drangan
dressed to the nines
drift of mobility
electro hydraulic steering gear
extinct species
face line of teeth
feed handling equipment
feehery
fleecier
furfurans
gain the bell
genus Carpocapsa
geochelone radiata
grain boundary transistor
gunmas
gyrs
heptalogies
high-velocity electron beam
homogeneous cooling
HSV-II
Hypothetical Salvage
Immed
leaf shale
long distance arming time
luzonite
manual work station
maximum propulsive efficiency
melding
men in buckram
minimum deposit
mix in
monocistronic messenger RNA
mowntance
mustine hydrochlcride
Negreira
nesting of subroutine
one company
onehalf
open price
Parcae
pasigraphy
pedimanous
Pentium processor
personnel contact
proctoplasty
pseudoracemic mixture
quietus est
report on/upon
RGBY
risk-free lending
screwfly
Severn Gorge
sky-coloured
space rocket engine
Spiriferella
stone ledge
sustained annual yield working
synthetic compost
tailages
tatty bye
thickening effect
tropical rain
unstabilize
USAIG
vector locus
vector momentum
vlogger
vox-pops
white glove test
wire transfer system
yarn bleaching
youthhead