Thousands of people gathered in front of the United Nations to demonstrate their support.Miles de personas se congregaron delante de las Naciones Unidas para manifestar su apoyo.
An adjective is a word that describes a noun (e.g. the big dog).
I have to write two thousand words a day for three days if I want to finish my essay on time.Tengo que escribir dos mil palabras al día durante tres días si quiero terminar mi ensayo a tiempo.
two/five thousanddos/cinco mil;a thousand and one/twomil uno/dos;I've got a thousand and one things to dotengo la mar de cosas que hacer (informal);they sell them by the thousandlos venden a millares;in their thousandsa millares;thousands of ...miles de ...;I've told you a thousand times or thousands of timeste lo he dicho mil veces