1、thousands and thousands of千千万万的Thousands and thousands of people got infected with flu every year.每年成千上万的人受到流行性感冒感染。
2、thousands ofIt benefits from the volunteer efforts of many thousands of outside contributors and editors.它受益于成千上万外界的投稿者和编辑者的自愿的努力。
3、许多,无数;数以千计的……,成千上万的……。