单词:host-killing efficiency (luria & delbrck 1942)
单词:host-killing efficiency (luria & delbrck 1942) 相关文章
More than 80 asylum seekers have spent their first night at a mining camp in the remote Western Australian town of Leonora. The families from Afghanistan, Sri Lanka and Iran were flown to the town yesterday from the overcrowd detention centre at Chri
People in America - Kay Yow, 1942-2009 and Betty Jameson, 1919-2009: They Changed the World of Sports for Women STEVE EMBER: Im Steve Ember. FAITH LAPIDUS: And Im Faith Lapidus with People in America in VOA Special English. Today we tell about two wo
eat v.吃 echo n./v.回声,回响;共鸣 economic a.经济学的,经济(上)的 economical a.节省的;经济学的 economy n.经济;节约 edge n.边,边缘;刀口,刃 edit vt.编辑 edition n.版,版本 editor n.编者,编辑 ed
坚持不懈,直到成功。 我们每天的奋斗就像对参天大树的一次砍击,头几刀可能了无痕迹。每一击看似微不足道,然而,累积起来,巨树终会倒下。这恰
The fine-furniture store where I work has been in business since the 1920s.Recently I received a call from a woman who wanted to replace some chairs from a dining set purchased from us in the 1930s.I
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? When a healthy rat smells a cat, it flees. But rats infected with the Toxoplasma brain parasite actually follow cat odors, often presumably to their doom, red in tooth a
By Jim Randle Irbil, Iraq 03 February 2007 Iraqi police say a truck bomb in Baghdad killed more than 100 people and wounded more than 200 others Saturday. VOA's Jim Randle has this update from northern Iraq. Smoke billows from the site of an explosio
Agriculture Report - Improving 'Feed Efficiency' in Cattle 农业报道 - 提高牛的饲养效率 From VOA Learning English, this is the Agriculture Report in Special English. 这里是美国之音慢速英语农业报道。 Animal feed is the bigge
The southern city of Dallas, Texas, has transformed from an oil and cotton town into an international city that is now home to several large businesses. This weekend, Dallas, along with neighboring Arlington and Fort Worth, will host hundreds of thou
At the same time, methanogens can use hydrogen and carbon dioxide produced by other bacteria to generate methane, 同时,产甲烷菌可以使用其他细菌产出的氢和二氧化碳以生成甲烷, which can reduce the total volume of gas by u
I was on a three-month road trip this summer. 今年夏天我度了三个月的假。 It was something that I've been dreaming about doing my whole life, 这是我一生梦寐以求的东西, just driving around the U.S. and Canada and just figurin
BEIJING, Nov. 21 (Xinhuanet) -- Oscar winners Tim Robbins and Adrien Brody will join the cast of Chinese director Feng Xiaogang's famine-themed epic film 1942, according to Variety.com. The production company responsible for the project, Huayi Brothe
Gordon said, My elbow's killing me. I have tendinitis. Isaac said, A friend of mine lost both his arms. He doesn't even have an elbow. Gordon said, My back's killing me. I couldn't even get out of bed this morning. Isaac said, A friend of mine is par
By Mike O'Sullivan Los Angeles 16 November 2007 Auto makers who are showcasing their latest models at the Los Angeles auto show are expanding product lines in the hope of staying competitive in a changing market. Mike O'Sullivan reports, carmakers fr
1942 blindside 今天我们要学的词是 blind side. Blind-side 做为动词,有被蒙在鼓里,令人措手不及的意思。The TV host was blind-sided when the network decided to send him packing. 电视台决定让节目主持人走路,但是
Some people prefer to get up early in the morning to start the day's work; while other people like to get up later in the day to work until late at night. Which option do you prefer? I would choose to get up early in the morning. This view is based o
模仿文本: In fact, we've got billions of friends in us. From our mouth to the end of our large intestine, all of us are the warm, wet and well-provisioned host to a remarkable ecosystem of microbes, many of which aren't just friends, but essent
Back to basics 节能以人为本 Energy efficiency is not very flashy. That may be a selling point 能源增效并不那么高高在上,也许它还是个卖点。 Hope those are energy-saving bulbs 希望大家都使节能灯泡 WHEN Richard Sanc