单词：electric mosquito killer
单词：electric mosquito killer 相关文章
Many people regard summer as a time for relaxing, eating ice cream, and...ouch! I just got bitten by a mosquito! For centuries, people have been searching for effective ways to prevent mosquito bites. What they have been looking for is mosquito repel
常春藤生活英语
Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod
(科普英语)Earth and Sky
[00:00.00]Unit 2 On the playground [00:05.98]1.Listen.Read and sing. [00:19.55]1.Oh,she's swinging on the swing in front of me. [00:28.19]Oh,she's swinging on the swing,she's swinging on the swing, [00:41.62]she's swinging on the swing in front of me
新派英语第二册
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. April 25th was World Malaria Day. The mosquito-borne disease is still one of the biggest killers in developing countries with a death toll of a million
Scientific American(四)月
RIO DE JANEIRO, Feb. 24 (Xinhua) -- Various Brazilian cities are turning to mobile apps in the fight against the Aedes Aegypti mosquito, which transmits the Zika virus, chikungunya and dengue, a local official said. While an app does not replace the
英语新闻
This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Mosquitoes have an unwitting new ally in the war on infectious diseasesconservationists. Turns out that, for mosquitoes carrying dengue-fever, environmentally consci
Scientific American(二)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an
Scientific American(一)月
1.All of us across this nation are concerned. President Bush is sending his thoughts to residents in the path of wildfires in Southern California. The fires have destroyed 1,300 homes. Forecasters say there are no signs the fires are slowing down. Me
美联社新闻一分钟2007
Kurt Achin It is rainy season in Southeast Asia, and the region is facing its annual battle with dengue fever and other mosquito-borne diseases. The World Health Organization says such diseases are a
VOA2004（上）--国际时事
Why Do Mosquitoes Choose to Bite You? 为什么蚊子会叮你? Mosquitoes have an extraordinary ability to target humans far away and fly straight to their unprotected skin. Regrettably, mosquitoes can do more than cause an itchy wound. Some mosquit
2015年VOA慢速英语(七)月
WHO Declares Zika a Global Health Emergency 世卫组织宣布兹卡病毒为全球卫生紧急状况 The World Health Organization (WHO) has declared the spread of mosquito-borne Zika virus a global public health emergency. On Monday, the global hea
2016年VOA慢速英语(二)月
Under UV light, this mosquito larva reveals a red fluorescent marker in its nervous system, causing eyes and nerves to glow. The marker's presence tells the researchers in Riehle's team that this individual carries the genetic construct rendering it
VOA标准英语2010年(七)月
Scientists Target Mosquito-Borne Illnesses Of all the disease-spreading insects in the world, the mosquito poses the greatest menace, according to the World Health Organization (WHO). As if to underscore that threat, two mosquito-borne viral diseases
VOA标准英语2011年(八月)
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
VOA标准英语2014年(一月)
[0:0]molecule分子 [0:10.8987]monthly monument mood moreover每月的,每月一次的 纪念碑,纪念馆 心情,情绪 而且,此外 [0:56.9182]mosquito mostly motion motivate蚊子 主要地,几乎全部地 运动,动作，手势 激励,激发 [1:43.7299]motive mount movie mud动机,动因 登上
闭着眼睛飘单词 四级词汇
BEIJING, Sept. 6 (Xinhuanet) -- Scientists from Tufts University of the U.S. have created the world's smallest electrical motor in a single molecule. The finding was published in the journal Nature Nanotechnology on Monday. In the research, scientist
英语新闻
A Chinese entomologists has found a giant mosquito with a wing span of 11.15 centimeters. Zhao Li, curator of the Insect Museum of West China, said the mosquito, which belongs to the world's largest mosquito species Holorusia mikado, was found in Aug
2018CRI中国国际广播电台
Properly analysed, Fraunhofer lines provide information about the exact chemical make-up of whatever is reflecting the light. 经过恰当分析，夫琅和费谱线可以提供关于任何反光物体的化学组成的确切信息。 Their patterns
经济学人科技系列
李华在问Larry去野营的事。 LH: Hi, Larry! 你们去野营，开心吗？ LL: Sure, I guess so... but look at this sunburn I got! The sun really did a number on my face! LH: 哟，看你的脸给晒的！ 你说太阳怎么啦？Did a number，
实用英语