deadliness是什么意思

n.致命

1. The deadliness of the virus has led to a global health crisis.（这种病毒的致命性已导致全球卫生危机。）
2. The sharpness of the knife adds to its deadliness as a weapon.（刀的锋利增加了其作为武器的危险性。）

具有致命性；危险性；致命性的行为或特性