unaccounted [ˌʌnə'kaʊntɪd]

例句:

• 5,000 American servicemen who fought in Korea are still unaccounted for.
  在朝鲜作战的5,000名美国士兵现在仍然下落不明。
  
• About £50 million from the robbery five years ago is unaccounted for.
  5年前发生的那起抢劫案中仍有大约5,000万英镑不知去向。
  
• At least 300 civilians are unaccounted for after the bombing raids.
  遭轰炸袭击之后，至少有300名平民下落不明。
  
• However, that significant block of time remains unaccounted for.
  来自BBC
• Her daughter is one of the children still unaccounted for.
  来自BBC
• The unaccounted for workers were all hired locally.
  来自VOA