sheet facies

例句：

1. 1. The sheets werestained with the blood of the victim.
   床单被受害者的血迹染污了。
2. 2. Shecarefully folded her clothes to make them fitinto the suitcase.
   她仔细地把衣服叠好，放进行李箱里。
3. 3. The sheetshad been turned over and over again,revealing the hidden treasures beneath.
   床单被反复翻动，露出了下面隐藏的宝藏。