详细解释:vt. (在打字机上)隔行打
vi. (在打字机上)隔行打
英语解释：
动词 double-space:
type with a full space between lines详细解释：
dou.ble-space
v.intr.tr.（不及物动词和及物动词）dou.ble-.spaced,dou.ble-.spac.ing,dou.ble-.spac.es To type so that there is a full space between lines.隔行打印，空行打印：按照行间留有的空格的方式打印