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。
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.
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