单词：sitespecific mutagenesis
单词：sitespecific mutagenesis 相关文章
ROBERT SIEGEL, HOST: There are museums, and then, there are wonderfully specific museums. We're talking about such institutions as the American Toby Jug Museum, the German Watering Can Museum and, of course, the U.S. National Tick Museum. All of thes
2017年NPR美国国家公共电台6月
Anchor: a lot of farm work. Tractors have satellite guided systems, harvest machines are faster and more efficient, and with automated machinery, cows can almost milk themselves. But the isolation of farm work will never go away. Long hours and long
2005年NPR美国国家公共电台
Grammar Girl here. Today's topic is capitalizing tricky nouns like Ground Zero, Internet, and Earth. Quite a few people have asked me whether they should capitalize the words Internet, Web, and website, including Chris from Olney, Maryland; Matt from
英语语法 Grammar Girl
By Stephanie Ho Washington 24 August 2006 The MacArthur Foundation, better known for offering so-called genius grants each year to individuals, will now recognize small non-profit organizations. The groups are diverse and are in different countries,
2006年VOA标准英语（八月）
A: Hi, I was wondering if you have my test results in. B: I didnt see anything out of the ordinary, but I want you to log onto our website for a printout of all of the details. A: So, basically, I am OK? B: If there were any major problems, I would a
英语情景对话-健康
A: Hello, could you tell me my test results? B: Your results are posted on the website. Just put in your password and you can see the exact numbers. A: Are you saying that all my results were normal? B: We always contact you by phone to come in if th
英语情景对话-健康