virulence是什么意思

n.毒力,毒性,恶意

1、The virus was engineered to increase its virulence, making it more deadly.
这种病毒经过改良以增加其剧毒性，使其更加致命。
2、The politician's speech was filled with virulence, attacking his opponents with malicious intent.
这位政治家的演讲充满了恶意，用恶意攻击他的对手。

剧毒；恶性；恶意