n. 病原体
n. One of a class of virulent microorganisms or bacteria
found in the tissues and fluids in infectious diseases, and supposed to
be the cause of the disease; a pathogenic organism; a pathogenic
bacterium; -- opposed to zymogene.

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(82) / 评论(0) 分类 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(139) / 评论(0) 分类 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(117) / 评论(0) 分类 夏说英语新闻晨读
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88s
absolute warranty of seaworthiness
acoustic reflection coefficient
adventry
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Bolon'
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