One day you will meet your clothespin in the laundry roomOne day you will meet your clothespin in the laundry room
Traveling through europe is one of the most beautiful landscapesTraveling through Europe is one of the most beautiful landscapes
The whole world is in one drop of water. extremely beautifulThe whole world is in one drop of water. Extremely beautiful
Morning in the city one skyscraper architecture many housesMorning in the city one skyscraper architecture many houses
Без других, в отдельности. Тот же самый, тожественный. Единый, целостный. Число, цифра и количество 1. Какой-то, некий. Только, исключительно. Какой-нибудь в ряду сходных.