[化] 乙基·十一基酮; 乙基·十一基甲酮; 3-十四酮; 3-十四烷酮

VOA慢速英语2014 科学家们寻找新的方法来对付蚊子

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(187) / 评论(0)

2014年VOA慢速英语(五)月

Top 5 Songs for Week Ending Dec. 2

Were gathering the five most popular songs in the Billboard Hot 100 Pop Singles chart, for the week ending December 2, 2017. The hit list seems comfortable with offering one new song a week, because thats what we have once more. Number 5: Cardi B. Bo

发表于:2018-12-08 / 阅读(193) / 评论(0)

VOA标准英语2017年(11月)

Top 5 Songs for Week Ending Dec. 10

Top 5 Songs for Week Ending Dec. 10 Were coming to grips with the five most popular songs in the Billboard Hot 100 Pop Singles chart, for the week ending December 10, 2016. Its been an active week, with two of our Top Five positions seeing newcomerst

发表于:2018-12-16 / 阅读(245) / 评论(0)

VOA标准英语2016年(十二月)

VOA标准英语2017--Top 5 Songs for Week Ending Dec. 9

This is the Top Five Countdown! Were on the march with the five most popular songs in the Billboard Hot 100 Pop Singles chart, for the week ending Dec. 9, 2017. If you feel your week isnt complete without a new song in the hit list, then youll be hap

发表于:2018-12-16 / 阅读(191) / 评论(0)

VOA标准英语2017年(12月)

VOA双语新闻：3、美科学家研发新一代驱蚊剂

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(139) / 评论(0)

VOA双语新闻 2014年1月

[单词解析速记].JV564.(Platitude.and.Syllogism)

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得10到30积分的奖励! Thank you！

发表于:2018-12-30 / 阅读(151) / 评论(0)

单词解析速记

英文歌曲天天唱：The Fox - Ylvis

一个挪威的喜剧演员二人组，他们主持的脱口秀电视节目在挪威本地有不少忠实观众，而《狐狸叫》原本是他们为了宣传新一季节目开播而制作的宣传歌曲。这首歌犹如童谣的歌词注定了它的

发表于:2019-01-08 / 阅读(177) / 评论(0)

英乐时空

East Africa drought: DEC appeals for funds

A group of UK aid agencies has launched a joint fund-raising appeal to help more than 10 million people affected by severe drought in the Horn of Africa. Thousands of families in desperate need of food and water have trekked for days from Somalia to

发表于:2019-01-09 / 阅读(186) / 评论(0)

英语新闻

英文歌曲天天唱：Ylvis-The Fox

发表于:2019-01-10 / 阅读(535) / 评论(0)

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音乐咖啡厅:Ylamproductions - Love Aviation

音乐咖啡厅:Ylamproductions - Love Aviation 相关介绍：YLAMPRODUCTIONS出生于香港，现年21岁，就读于澳大利亚音乐学院（Australian Institute of Music）！从小受到音乐的熏陶，有一个属于自己的Band，梦想是当

发表于:2019-01-11 / 阅读(242) / 评论(0)

音乐咖啡厅

VOA常速英语2014--Promising Mosquito Repellent Announced 美科学家研发新一代驱蚊剂

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(145) / 评论(0)

VOA标准英语2014年(一月)

白领英语晨读-011 To Attract Police　吸引警察

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(110) / 评论(0)

白领英语晨读

音乐咖啡厅:Ylamproductions - Life, Love, and Faith

音乐咖啡厅:Ylamproductions - Life, Love, and Faith 相关介绍：YLAMPRODUCTIONS出生于香港，现年21岁，就读于澳大利亚音乐学院（Australian Institute of Music）！从小受到音乐的熏陶，有一个属于自己的Band，梦

发表于:2019-02-06 / 阅读(200) / 评论(0)

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OMG美语：OMG!美语 TTYL!

1) G2G = got to go = 我得走了 2) TTYL = talk to you later = 一会儿再聊 3) XOXO 亲亲抱抱

发表于:2019-02-07 / 阅读(312) / 评论(0)

OMG美语

音乐咖啡厅:Ylamproductions - My Heartbeat

音乐咖啡厅:Ylamproductions - My Heartbeat 相关介绍：YLAMPRODUCTIONS出生于香港，现年21岁，就读于澳大利亚音乐学院（Australian Institute of Music）！从小受到音乐的熏陶，有一个属于自己的Band，梦想是当

发表于:2019-02-08 / 阅读(377) / 评论(0)

音乐咖啡厅

2017年CRI 'Namiya' to hit Chinese theatres on Dec 29

'Namiya' to hit Chinese theatres on Dec 29 One of the most popular Japanese writers in China, Higashino Keigo will see his 2012 novel Miracles of the Namiya General Store adapted into a Chinese movie on December 29th. The Chinese movie adaptation sta

发表于:2019-02-14 / 阅读(269) / 评论(0)

2017CRI中国国际广播电台

万物简史第227期:把铅撵出去(16)

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(135) / 评论(0)

万物简史

万物简史第225期:把铅撵出去(14)

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(153) / 评论(0)

万物简史

万物简史第213期:把铅撵出去(2)

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(154) / 评论(0)

万物简史

TED演讲获奖青少年,科技在行动(1)

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(170) / 评论(0)

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