perturbers

[pə'tə:b]
perturber
n.
perturb的变形
perturb
[pə'tə:b]
vt.
使不安；烦扰；使担心：
She is very perturbed about her husband's health.
她为丈夫的健康而不安。
使紊乱；扰乱；使混乱：
They perturbed good social order with their rumours.
他们用谣言扰乱了良好的社会秩序。
【天文学】使摄动