人们的手指每天都在接触各种东西,受污染的机会极多,戒指下面的肌肤也会留下很多肮脏的物质,尤其是医务人员手指下的那块弹丸之地,可以说更是一个肉眼看不见的“垃圾箱”。医生、护士一天之中的很多时间都在与细菌、病毒打交道,尽管医护人员经常用 People’s fingers are in contact with various things everyday, and there are many chances of being contaminated. The skin beneath the ring also leaves a lot of dirty stuff, especially the piece of projectile under the fingers of a medical staff. It can be said to be even more Invisible “dustbin”. Doctors, nurses, many times during the day are dealing with bacteria, viruses, although health care workers often use