The reason is dust mites those tiny bugs that live in linen2 and pillowcases3 and feed on your dead skin and the problems they can cause when you press your face into them for months at a time 因为尘蹒是以人类掉落在床单与枕头套的皮肤屑为生的小虫，以及及数月来每次把脸压在?们身上时可能造成的问题。
The excitement begins for children on christmas eve , when they hang up their stockings ( an old sock , or more ambitiously , pillowcases ) around the fireplace or at the foot of the bed for father christmas to fill with presents 对儿童来说，欢乐始于圣诞前夕，届时他们把袜子（一只旧袜子，或者更热切的，一个枕头套）挂在壁炉周围或床脚给圣诞老人装礼物。
