lapse/læps/名词（两件事之间的）间隔时间a time lapse/a lapse of time时间间隔过失，小失误a memory lapse一时想不起来/læps/动词期满终止；失效；废止The association needs to win back former members who have allowed their subscriptions to lapse.该协会需要重新把那些已经期满退出的会员吸引回来。想跟读，去练习
