数 three，more than two，several，many；名 （姓氏） a surname ；

[例句] 演奏钢琴的戴夫将这支曲子反复弹了两三遍。 Dave, the pianist, played it over a couple of times.

[例句] 在纸板上涂两三层清漆使其变硬。 Give the cardboard two or three coats of varnish to harden it.