avirulent的翻译，读音

反义词

virulent

例句

The avirulent QU strain of fowl adenovirus, a member of duck adenovirus type 1, could be a potential vector in recombinant vaccine development. 禽腺病毒QU弱毒株属于鸭腺病毒1型病毒，可作为潜在的重组疫苗载体。

The product has the avirulent and harmless pollution-free low temperature rapid processing operation simple the sources of the raw materials widely price low clean production etc. 本研究产品具有无毒、无害、无污染、低温快速处理、操作简单、原料来源广泛、价格低、清洁生产等特点。