He was swabbing the little wound on my back with a wad of cotton soaked with cheap vodka.他用一团脱脂棉蘸满了便宜的伏特加酒，给我清理背上那处小伤口。The air was warm,close, palpable as cotton wool.空气暖和，闷热，就像脱脂棉一样可触摸得到。Miniature carvings should be packed in cotton wool.微雕艺术品应该用脱脂棉包裹。