A sheet also refers to a piece of paper for writing or printing on.
sheet除了可以表达床单、被单之外,还可以指一张用来写字或印资料的纸。比如,考试时的答题纸,在英文中就是answer sheet。 sheet 一张纸Wandar
Mum says we need to change the sheets at least once a month.
妈妈说床单至少要一个月换一次。Sleeping on dirty sheets is not good for our skin.
睡在脏床单上对皮肤不好。I got a very low score in the English exam last time.
我上次英语考试很低分。Because I forgot to write my answers on the answer sheet.
因为我忘记把答案写在答题纸上了。