gap /ɡæp/ n. 1.空隙，缺口：gap between teeth 齿缝；the mountain gap 峡谷We could see the house through a gap in the wall. 我们从墙缝中能看到那所房子。 2.间隔，距离，差距： narrow the gap between 缩小…与…两者间的差距；communications gap 感情隔阂；generation gap 代沟；plug the gap堵空