1. 痛恨：virulence 有毒 | virulency 痛恨 | virulent 剧毒的

2. 毒性：virulence 毒性 | virulency 毒性 | virulent mutant 毒性突变体

3. 有毒/恶意/憎恶：virulence /有毒/毒性/恶意/ | virulency /有毒/恶意/憎恶/ | virulent /有毒的/

noun

1. extreme hostility

e.g. the virulence of the malicious old man

Synonym: virulence

2. extreme harmfulness (as the capacity of a microorganism to cause disease)

e.g. the virulence of the plague

Synonym: virulence