perniciousness

n. 有害(致命, 恶性)

例句与用法:

Pollution of the water supply reached a level pernicious to the health of the population.

水源污染已经达到危及居民健康的程度。

This event had a pernicious influence on society.

这件事情对社会造成了有害的影响。

词形变化:

副词: perniciously | 名词: perniciousness |