单词：dryness pathogen
单词：dryness pathogen 相关文章
although [ɔ:l'əu] conj.虽然，尽管 chip [tʃip] n.薄片，芯片，集成块 drop [drɔp] n.滴；v.使滴下 free [fri:] a.自由的，免费的；v.释放 inconvenient [.inkən'vi:njənt] a.不方便的 mask [ma:skl n.( 假)面罩，口罩 p
1200个常用英语口语单词（MP3+文本）
you say you want diamonds in a ring of gold you say you want your story to remain untold but all the promises we make from the cradle to the grave when all i want is you you say you'll give me a highw
欧美绝对经典 U2
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
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
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
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