thousand可用作名词，有一千个，数千等含义；也可用作形容词，有成千的，许许多多等含义；用在复数的场合时，不与具体数字连用。搭配：one thousand一千，five thousand五千。

例句：The town has a population of ten thousand.这个镇有一万人口。A thousand people signed the petition.一千人在请愿书上签了名。The flood took away thousands of lives.洪水夺走了成千上万人的生命。