在试验生物学和医学公告上发表的一个研究中，48个志愿者在吸入催产素气雾之后，接受手指针刺试验，其痛觉阈值降低了一半以上。
In a study published in the Bulletin of Experimental Biology and Medicine, 48 volunteers who inhaled oxytocin vapor and then had their fingers pricked lowered their pain threshold by more than half.
上述研究又提供了一个重要的证据证明吸入二手烟是有害的，对气道很不好。
This [study] adds an important piece of evidence that inhaling secondhand smoke is deleterious and does things to the airway that are not good.
调查人员说，水流入该车辆发动机的进气软管，他们推测空气吸入喷头可能被装得太低。
Water flowed into the air intake hose of the vehicle's engine, said investigators, who speculated the air induction nozzle might have been attached too low.
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