adj.流失的,堕落的
v.退步( lapse的过去式和过去分词 ),陷入,倒退,丧失
She lapsed into a little girl voice to deliver a nursery rhyme.
她改用童声唱起童谣来。
Doris Brown closed her eyes and lapsed into sleep.
多丽丝·布朗闭上眼睛,安然入睡。
Her membership of the Labour Party has lapsed.
她已不再是工党党员。