| 单词 | perturb | 
| 释义 | per·turb    (pər-tûrb)tr.v.  per·turbed, per·turb·ing, per·turbs  1.  To disturb or confuse; make uneasy or anxious: I was perturbed by his off-color remarks. 2.  a.  To cause (a system) to become altered or imbalanced from a normal state: volcanic eruptions that perturbed the climate. b.  Physics & Astronomy   To cause perturbation in (the orbit of a celestial body, for example) by gravitational interaction. [Middle English perturben, from Old French perturber, from Latin perturbāre : per-, per- + turbāre, to throw into disorder (from turba, confusion, perhaps from Greek turbē).] per·turba·ble adj.  | 
	
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