乙基-5-羟吲哚-2-羧酸酯

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(221) / 评论(0) 分类 2014年VOA慢速英语(五)月

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(164) / 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(184) / 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(205) / 评论(0) 分类 实用乘车英语

Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol

发表于:2019-01-03 / 阅读(180) / 评论(0) 分类 医务英语

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(168) / 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(185) / 评论(0) 分类 实用英语

Researchers Say Malaria Drug Could Also Treat Cancer Scientists know that human cancer cells grow by getting energy from adjacent tumors, where cells have begun to self-destruct. The spread of cancer is accelerated by the death of these cells. This p

发表于:2019-01-13 / 阅读(199) / 评论(0) 分类 VOA标准英语2012年(三月)

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(189) / 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(168) / 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(176) / 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(162) / 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(196) / 评论(0) 分类 阅读空间

In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月,俄罗斯最大的大学图书馆之一发生了火灾

发表于:2019-02-02 / 阅读(166) / 评论(0) 分类 英语新闻

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(168) / 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(181) / 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(180) / 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(197) / 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(205) / 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(217) / 评论(0) 分类 TED演讲教育篇
学英语单词
abstract community
administration values
Admiralty Tide Tables
alekhine
all-risk insurances
anti statism
avonmores
bartlett window
behanan
beilein
bolt core
bost
brass monkey weather
breviglumis
california personality inventory (cpi)
carbon separation unit
choriambs
city news
commset
compact flash card(cf card)
conazole
coordain
cross substitution effect
cyano complex
Dentons
die standing up
distance of centre of percussion
ductal carcinoma
duplex steam pump
dust plan
encompassest
episcopalisinine
exmigra
expy
extended-foil construction
fluctuating of service
fulcrum ring
Gear method
gravity paint sprayer
green looper
green tacos
group starting signal
Guiseppe Fortunino Francesco Verdi
helical wound spring
HF oscillation
Hoang Xa
inglutition
intensity factor
internal adjuster
janco
Justin Bieber
Kinsey, Alfred Charles
KO's
kothoga
language character set
lead junction
margonelli
Maxwell liquid
membrane responsiveness
microprogram control function
mizenmasts
MTSM
multiprogrammings
non-ablative
operating lever hook
Opiunalkaloids
overcommunicating
palatine bone
peroxidase staining
phytomyza tomentella
Pimenta acris
plastic design method
point vibration
positional order
postgenocide
preprocess
reactive volt ampere hour meter
rededications
refined diphtheria antitoxin
relay current
rip on
Robot SSTV scan converter
sacciferous
salinity sensor
saprophytic phase
scophthalmuss
self-recording thermometer
servo lever
sikni
single bollard
single-component injector element
standard resistivity
static oceanography
superficial mass factor
surface fault
synchronizing regeneration
tetrabrachion
the medal of honor
Trapeang Thmar Kandal
tuelfed
two side mosaic
vendor locator