接下来，他们被告知已经被注射止痛剂，疼痛指数又下降为39。
They were then told they were being given a painkiller and the score went down to 39.
在一项实验中，多名志愿者被注射了强力的止痛剂，随后让他们接受一个疼痛的刺激物——由于止痛剂的原因，他们对疼痛毫无感觉。
In one experiment volunteers were given a powerful analgesic and subjected to a painful stimulus-which, because of the analgesic, they could not feel.
《太阳报》的报道称杰克逊可能是由于注射了杜冷丁导致的心脏衰竭。 这种止痛剂的药力非常强劲，在某些情况下确实会增加心博停止的可能性。
Reports in the Sun suggested that Jackson may have collapsed after an injection of Demerol, a powerful painkiller that can in certain circumstances increase the risk of cardiac arrest.
如果不利用全身麻醉剂，止痛剂，抗生素，输血及静脉注射液体和营养素，当今的外科手术是不可能实现的。
Today's surgical procedures would be virtually impossible without the benefit of general anesthetics, analgesics, antibiotics, blood transfusions, and intravenous fluids and nutrients.
如果不利用全身麻醉剂，止痛剂，抗生素，输血及静脉注射液体和营养素，当今的外科手术是不可能实现的。
Today's surgical procedures would be virtually impossible without the benefit of general anesthetics, analgesics, antibiotics, blood transfusions, and intravenous fluids and nutrients.
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