a sheet of
US /ə ʃiːt ʌv/
UK /ə ʃiːt ʌv/

短语
1.
一张, 一层
a rectangular piece of paper or other thin material
示例:
•
He handed me a sheet of paper to write on.
他递给我一张纸写字。
•
The workers covered the floor with a sheet of plastic.
工人们用一层塑料薄膜覆盖了地板。
2.
一层, 大片
an extensive continuous surface or layer of something
示例:
•
The road was covered in a sheet of ice.
道路上覆盖着一层冰。
•
Rain fell in a sheet of water.
大雨如注(像一层水一样落下)。
在 Lingoland 学习这个单词