Bu özel bir kabin, ancak diğer kabinlerle harici bir tuvalet paylaşıyorsunuz. - It's a private cabin, but you share an external washroom with the other cabins.
Ben tuvalete gitmek zorundayım. - I have to go to the washroom.
A washroom is a room with toilets and washing facilities, situated in a large building such as a factory or an office block. a room in a public building where you can wash and use the toilet