A bed in a hotel

Double room: one double bed or two single beds.

Single room: single bed or double bed.

Extended data:

A standard room refers to a room with a bedroom, a work area, a reception area and a separate bathroom. Standard rooms are divided into standard double rooms and standard big bed rooms, commonly known as standard single rooms or standard double rooms. It is the most economical room type in all hotels. In order to distinguish between ordinary rooms and luxury rooms, some hotels are also equipped with various types of standard rooms, such as ordinary standard rooms, business standard rooms, luxury standard rooms and administrative standard rooms, which are distinguished according to different grades and types of decoration or configuration.

References:

Standard room Baidu encyclopedia