2.(lacking)缺少的；缺失的；缺掉的
3.to be missing
(not included)漏掉；遗漏
What is missing is an internal, artistic cohesion.缺乏的是一种内在的艺术凝聚力。
4.+ climber, explorer, disaster victim失踪的；下落不明的
the search for the missing climber对失踪登山者的搜寻
Larry Burrows, missing and presumed dead since 19711971年失踪并被推定已死亡的拉里•伯罗斯
5.missing in action
+ soldier, sailor, pilot在战斗中失踪的
prisoners of war and those missing in action战俘及作战失踪人员
I hear that he's missing in action, presumed dead.我听说他在作战中失踪, 据推定已经死亡。