third hand

基本解释

But far fewer of those surveyed were aware of the risks of third-hand smoke.
但受访者中却很少有人知道三手烟的危害。
Studies show that third-hand smoke clings to hair, skin, clothes, furniture, drapes, walls, bedding, carpets, dust, vehicles and other surfaces, even long after smoking has stopped.
研究显示，在烟被掐灭很长时间以后，三手烟还是会残留在头发、皮肤、衣服、家具、窗帘、墙壁、床铺、地毯、灰尘、车辆以及其它物体的表面。
When I got to hospital, my total body surface was 65% burned, with a little more than 50% third-degree burns; the fingers on my left hand had burned down to the bone.
我被送进医院时，全身烧伤面积达65%，其中有50%以上为三度烧伤，左手手指更是连骨头都露了出来。

The researchers did a study of adult beliefs about the possibility of health risks to children from third-hand smoke.
But now researchers led by Doctor Jonathan Winickoff at MassGeneral Hospital for Children in Boston are warning about what they call "third-hand smoke."

The company heard it third-hand from a Canadian market analyst.
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Journalists and bloggers bear a lot of the blame here for being willing to publish third-hand-riffing on a translated quote that does not bear much resemblance to reality.
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