单词:specific pathogen free flock
单词:specific pathogen free flock 相关文章
By Leah Krakinowski The United States has once again become a magnet for millions of men and women from around the globe. A century ago, the U.S. willingly opened its doors to legions of immigrants. T
今天要讲的英语词是flock。 Flock是人群的意思。华盛顿动物园在庆祝小熊猫泰山一岁生日的第二天,报上的标题说:Tai Shan's Fans Flock to His Party. 意思是:热爱泰山的人成群结队地去参加它的生日
Human Waste Killing Caribbean Coral In the first documented case of a human pathogen infecting a marine species, U.S. scientists say a bacterium in untreated human sewage is killing coral along the Florida coast and in the Caribbean Sea. The finding
An international team of researchers looking for the cause of severe bacterial epidemics has deciphered the genome of group A streptococcus, a normally harmless sore throat pathogen that occasionally turns deadly. Experts say the breakthrough could s
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!
本期内容: American scientists announced that they had cloned the Zika virus. This is an important stage in producing a safe version of the pathogen to be used in a vaccine against the mosquito-borne illness, which has been linked to brain defor