单词：non-pathogenous
[网络] 非致病性
单词：non-pathogenous 相关文章
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
发表于:2019-01-11 / 阅读(155) / 评论(0)
VOA标准英语2011年(八月)
VOA标准英语2011年(八月)
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
发表于:2019-01-13 / 阅读(210) / 评论(0)
VOA标准英语2010年(一月)
VOA标准英语2010年(一月)
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
发表于:2019-03-02 / 阅读(196) / 评论(0)
夏说英语新闻晨读
夏说英语新闻晨读