One was an intravenous drug user who had slept outdoors on a trampoline .
一个是曾睡在室外蹦床上的静脉注射毒品使用者。
Some 74 percent of new infections would be among high-risk individuals , particularly men who have sex with men and intravenous drug users .
这其中74%的患者来自于高危人群，特别是那些同性之间有性关系的和静脉注射毒品的人。
All of the subjects were fitted with intravenous catheters so blood samples could be taken immediately before the massage and up to an hour afterward .
所有研究对象的身上都安有静脉留置针，以便在按摩开始前片刻及一小时之后分别抽取血样。
Doctors will use the sonic flashlight to more easily insert needles in intravenous lines deep inside the body and find lumps and other potentially malignant masses .
医生有了这个声波手电筒，可以更容易地将针插进身体深处的静脉，可以更容易地找到肿块和潜在的恶性病变。
Since 2008 fannie mae and freddie mac , america 's two housing-finance giants , have been on life support , spared from insolvency by an intravenous drip of taxpayer cash .
