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virulent: 有毒的, 充满敌意的; extremely poisonous or venomous 1) extremely poisonous or venomous 2) full of malice : MALIGNANT 3) objectionably harsh or strong 4) Extremely infectious, malignant, or poisonous. Used of a disease or toxin. Capable of causing disease by breaking down protective mechanisms of the host. Used of a pathogen. Bitterly hostile or antagonistic; hateful: virulent criticism. poisonous. 5) Intensely irritating, obnoxious, or harsh. 6) poisonous, highly infective, or deadly; malicious or harsh 7) extremely harmful or poisonous; bitterly hostile or antagonistic virulentsalubrious virulentbenign The 1918 influenza virus was especially virulent, resulting in a pandemic that killed some 50 million people. 相近词汇: destructive, noxious; hostile, spiteful 有毒,有害 deleterious adj.有害的，有毒的 | noxious adj.有害的，有毒的 toxic adj.有毒的，中毒的 | toxin n.毒素，毒质 | venom n.毒液，恶毒，痛恨 virulent adj.剧毒的，恶毒的 | virus n.病毒 | venenous adj 有毒的 swart adj 有害的，恶毒的，黝黑的| viral a 滤过性毒菌的,滤过性毒菌引起的 | 
