0 one of a pair of two beds that are each big enough for one person --
1 one of a set of two beds, each of which is suitable for one person --
All first class cabins were outside twin beds and private baths.
In some countries, a twin bed may also be used to describe one of two single beds in the same room.
The single rooms include one double bed and doubles have 2 twin beds.
Meals are served in dining halls, and participants are housed in large wall tents on platforms with twin beds, electricity and a cabinet.
At high tide, one area of the reefs is roughly the size of a twin bed and pokes just 7.4 centimeters (2.9 inches) out of the ocean.
All rooms on campus are furnished with one desk and chair, dresser, closet/wardrobe, and one standard twin bed per student.