Fitted sheet
01
床笠, 弹力床单
a bed linen made of elasticized fabric that is designed to fit snugly over a mattress, with the corners of the sheet shaped to fit over the four corners of the mattress
例子
She pulled the fitted sheet tightly over the mattress to make sure it stayed in place.
她把床笠紧紧地拉在床垫上，以确保它保持在原位。
The fitted sheet kept slipping off the corners of the mattress, so I had to tuck it in again.
床笠不断从床垫的角落滑落，所以我不得不再次把它塞进去。
