perniciousness 

英汉解释

n. 危害性；有害

同义词

n. toxicity

参考例句

1. Correlation Technique and Product to diminish perniciousness of cigarette.
降低卷烟危害性的相关技术及产品。
2. Though an ardent enthusiast for Europe in principle, his stint as an EEC commissioner in 1970-73 left him appalled by the "perniciousness" of its bureaucracy.
虽然他原则上是一个热情的欧洲狂热者，但他1970-73年之间在欧共体委员的工作却让他惊恐于它官僚的邪恶性。
3. This article mainly discusses the lasting organic pollutant dioxin and its formation, toxicity, source, formation mechanism, main perniciousness and preventive measure.
本文介绍了持久性有机污染物二恶英的结构、毒性、污染来源、形成机理、主要危害和预防措施。

英英解释

n.
  1. grave harmfulness or deadliness

网络释义

perniciousness
有害; 危害性;