pervasive
/pɜːˈveɪsɪv/adjective
- (especially of an unwelcome influence or physical effect) spreading widely throughout an area or a group of people（尤指讨厌的影响或身体感受）弥漫性的, 渗透性的; 遍布的, 流行的：
ageism is pervasive and entrenched in our society.
年龄歧视在我们的社会中非常普遍而且根深蒂固。
派生词
pervasively
adverbpervasiveness
noun词源
mid 18th cent.: from Latin pervas- 'passed through' （from the verb pervadere） + -IVE.