在线字典拃张开大拇指和中指(或小指)来量长度拼音zhǎ部首扌笔画8画字义张开大拇指和中指(或小指)来量长度 张开的大拇指和中指(或小指)两端间的距离英文释义span (unit of length based on the width of the expanded human hand); to span (measure with one's hand)