I told her that it was her over-active imagination.
我告诉她，是她的想象力过于活跃了。
2
The scientists say that the drugs appeared to work by soothing the animals' over-active immune system, which in turn stopped damaging the pancreas.
科学家称，这些药物的作用机制可能是通过缓解动物免疫系统过激，进而阻止对胰腺的损伤。
3
Along with this levels of another chemical messenger, which dampen down over-active cells, also begin to drop and it is these chemical levels which were boosted in the trial.