单词：knock down resistance gene
单词：knock down resistance gene 相关文章
World Action Needed to Prevent Widespread Antibiotic Resistance Since the discovery of penicillin in 1928, we have used antibiotics against a host of infections. But now, doctors are finding that more and more bacteria are resistant to even the stron
VOA标准英语2015年(十二月)
Hello!(Hello!)[ Wavewithyourrighthand .] Hello!(Hello!)[ Wavewithyourlefthand. ] Comein.[ Motiontocomeinside. ] Letssing.[ Pretendyouaresingingintoamicrophone .] Letsplay.[ Runinplace .] Hello!(Hello!)[ Wavewithyourrighthand. ] Hello!(Hel
Super Simple Songs 唱唱跳跳学美语
Knock Three Times Hey, girl, what you doing down thee? Dancing alone every night while I live right above you? I can hear your music playing; I can feel your body swaying. One floor below me, you don*
英文歌曲第四辑
今天要讲的三个习惯用语都是以sock这个字为主的。Sock就是我们脚上穿的袜子，可是当它和其他的词组成习惯用语之后，它的意思就不同了。 今天我们就为各位介绍一下三个：sock away。首先我
美国习惯用语
Linda's apartment intercom buzzed. She picked up the intercom phone. Hello, she said. The UPX man is coming up, said Julia. Julia worked at the front desk. Finally! Linda had been waiting two weeks to return a package. She took the package to the fro
英文短篇故事（纽约）
说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 shorts [ FC:ts ] The one with a pair o
每日攻克5词
The spokesman for the Lord's Resistance Army says Congolese forces and U.N. peacekeepers in Congo Kinshasa are preparing to move against the rebel group, which has yet to sign a peace deal to end a 20-year reign-of-terror in the region. VOA Correspo
VOA标准英语2008年（九月）
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. For years, scientists and physicians have been up in arms about the rise in antibiotic resistance. Seems that many bacteria, devious buggers that they ar
Scientific American(一)月
A: David, knock it off, would you? Your singing is killing me. A: David, 别唱了, 好吗? 你的歌声简直要我的命! B: Hey! You're rude. B: 嘿! 你怎么那么没礼貌啊! Knock it off! 是叫(某人)停止做某事的意思,有住嘴,少来这
美国俚语
Antibiotics Breed Drug Resistance in Pigs Pigs given low doses of antibiotics had more E. coli in their guts, and that bacteria showed an increased resistance to antibiotics, according to new research. The study confirms the routine practice of feedi
VOA标准英语2012年(一月)
Vidushi Sinha | Washington, DC 18 May 2010 The World Health Organization calls antibiotic resistance one of the three greatest threats to human health. Experts fear antibiotic resistance puts humans in danger of becoming nearly defenseless against so
VOA标准英语2010年(五)月
University of Maryland scientists are working on a genetically-engineered fungus that would kill the malaria parasite. The battle against malaria continues to challenge doctors, scientists, and public health officials. Now, a team of British and Amer
VOA标准英语2011年(三月)
to pull your socks up to knock your socks off 许多美国成语或者习惯用语都是以各种衣服的名称来组成的。比如说,
美国习惯用语
Artemisinin, also known as QingHaoSu in Chinese, was discovered by Chinese scientist Tu Youyou. She received the 2015 Nobel Prize for Physiology and Medicine for the drug's discovery by her team more than three decades ago. In her speech at the Karol
2015CRI中国国际广播电台
Knock your socks off，“把你的袜子打掉”。如果连袜子都被人打掉了，那打得可真是不轻呦。由此可见，knock your socks off演变成“绝对性的胜利”的意思也就
英文语法词汇
59 美国科学家正试图培育抗叶锈病小麦 DATE=6-19-01 TITLE=AGRICULTURE REPORT - Developing Wheat Resistant to Leaf Rust BYLINE=George Grow (Start at 59
科技之光
今天我们要学的词是knock out。 Knock out, 有毁坏的意思。 The Japanese government is conducting stress tests on all its nuclear plants following the March earthquake disaster which knocked out the cooling systems at Fukushima, 三月地震
英语单词荟萃
爱的反抗力 Muse - Resistance Resistance Muse Is your secret safe tonight? And are we out of sight? Or will our world come tumbling down? Will they find our hiding place? Is this our last embrace? Or will the walls start caving in? (It could be w
好听的英文歌曲
To knock off 我们经常提到在学英文过程中不时会碰到一个困难,那就是一个英文字,或一个表达形式有好几种不同的意思。今天我们要给大家介绍的一个常用语
美国习惯用语
音乐咖啡厅:Keri Hilson - Knock You Down 相关介绍：美国RB女歌手，创作型才女Keri Hilson的首张个人专辑《In a Perfect World》在经过多次延期后，终于确定在本月24日正式发行。这对于广大的RB歌迷来说，
音乐咖啡厅