单词：exampt livestock
单词：exampt livestock 相关文章
Lucky Livestock Go to Maryland Animal Sanctuary Welcome to American Mosaic from VOA Learning English. Im Kelly Jean Kelly. On the show today, we play music on a new album from Sean Kingston. We also answer a question about casinos in the United State
2013年VOA慢速英语(十)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Seventy percent of all antibiotics in this country go to livestock like pigs and chickens. And concern is growing about drug-resistant bacteria that sp
Scientific American(三)月
By Tom Rivers London 23 August 2007 Vigilance and early containment of foot and mouth disease in Britain have paid off as European vets agree to lift the export ban on British meat and livestock. For VOA, Tom Rivers in London has details. A ruptured
2007年VOA标准英语（八月）
Animals in many large livestock-raising operations around the world get a small but steady dose of certain antibiotics in their feed. U.S. health officials say there is unequivocal evidence of a link between overuse of antibiotics in healthy livestoc
VOA标准英语2010年(七)月
Animals in many large livestock-raising operations around the world get a small but steady dose of certain antibiotics in their feed. Doctors around the world are finding it harder and harder to cure some infections. Bacteria are developing resistanc
VOA标准英语2010年(五)月
We have limited funds, so we have to make a choice whether we feed people or we feed livestock In addition to lost crops and possessions, many survivors of Pakistan's floods lost their livestock. Surviving farm animals urgently need food and medical
VOA标准英语2010年(九)月