1·Sometimes a sudden shift in color can be used to startle potential predators or threaten intruders.
有时候，色彩的快速变换可以用来惊吓掠食者或威胁入侵者。
2·The researchers found that people given propranolol had a much lower emotional response—measured by a startle reflex—to the images.
研究者发现，服用了心得安的人们对这些图片的情绪反应——通过惊吓反射测量——低了很多。
3·Hereditary hyperekplexia is also called startle disease.
遗传性过度惊骇也被称为惊吓病。
4·The same group was also subjected to a simple "startle" test of emotional reactivity in which they sat quietly until a loud gunshot sound crashed through the room.
对同一组参与者进行惊吓测试，让他们坐在一个安静的房间，过一段时间，忽然一声枪响。发现参与者都跳了起来，并露出害怕的症状。
5·The researchers found that people given propranolol had a much lower emotional response — measured by a startle reflex — to the images.
通过惊吓反射测量，研究者发现，服用了治疗心脏病的药品的人们对这些图片的情绪反应低很多。
1·Large lakes are your best bet for a paved, level path, but feel free to speed through the countryside at 5 MPM (minutes per mile, you rookies) and startle those just leaving the house.
大型湖泊最好地为你提供了平坦的小路，但是你可能会在穿过乡间时不自觉地加快速度到5英里每分钟，同时也会为你离住所很远而吃惊。
2·It is an idea that would startle, and maybe even anger, shoppers in Illinois, but it might be a healthy reminder of where the low prices they enjoy really come from.
伊利·诺伊的顾客将会对这种说法表示吃惊甚至愤怒，但这可能会有益地提醒他们，他们享受的低价到底来自何处。