毒

• At any time the macrophage system might be injured by viral infection or air pollutant exposure .
  巨噬细胞随时都可能受病毒感染或空气污染物所损伤。
• Some virulent strains of pvx cause rugosity go the leaves even crinkling, called pvx crinkle .
  PVX的有些强毒株系引起叶子的粗缩甚至皱缩，叫做PVX皱缩。
• Toxicity was reduced when nicotiana trichome exudates were removed by various washing methods .
  当通过不同洗涤方法除去烟草属毛状体的分泌物时，毒力降低。
• Other diseases that produce severe diarrhea in neonatal pigs include colibacillosis and enterotoxemia .
  引起初生猪严重腹泄的其它疾病是大肠杆菌病和肠毒血病。
• Other diseases that produce severe diarrhea in natal pigs include colibacillosis and enterotoxemia .
  引起出生猪严重腹泄的其它疾病通常是大肠肝菌病和肠毒血病。
• The monopartite genome of tobacco mosaic virus is a plus-strand rna molecule of 6395 nucleotides .
  烟草花叶病毒的单份基因组是一个6395个核甙的（）链RNA分子。
• Valentine gersbach, her lover, was a charming man, too, though in a heavier, brutal style .
  她的情夫瓦伦丁格斯贝奇，虽然粗眉大眼，心狠手毒，但依然不失其迷人之处。
• Curare is a generic term for various south american arrow poisons. the drug has a long and romantic history .
  箭毒是各种南美洲箭毒的属称。此药有一悠久而传奇式的历史。
• Many microorganisms synthesize and excrete compounds which are selectively toxic to other microorganisms .
  许多微生物能合成并分泌一些对其它微生物具选择性毒力的化合物。
• It has been 25 years since researches discovered the natural virus-fighting substance known as interferon .
  科学家发现，用干扰素作为一种天然抗病毒的物质至今已有25年了。