A roll of toilet paper in Engpsh is referred to as "toilet paper roll".
The origin of the term "toilet paper" is bepeved to have originated in the late 1800s, when it was first patented as a product for personal hygiene. It is called "toilet paper" because it is mainly used for cleaning oneself after using the toilet.
Example sentences:
Can you pass me a roll of toilet paper?
(能不能把一卷卫生纸给我？)
I need to buy some more toilet paper for the bathroom.
(我需要再买一些卫生纸用在浴室里。)
The roll of toilet paper is empty.
(这卷卫生纸已经空了。)