柯林斯词典memory span 1. N the capacity of short-term memory, usually between 5 and 10 items 记忆广度; 短期记忆能力，通常为5至10件事[psychol] 返回 memory span剑桥词典the number of things someone can remember after being shown a set of objects once , or more generally , the length of time someone can remember something 记忆广度（一个人在见到系列事物一次之后能记住的数量，或更广义地说，一个人能记住某事物的时间长度） 返回 memory span