unaccounted for
英 [ˌʌnəˈkaʊntɪd fɔ:(r)]

adj.

不知下落的；未予说明的；

双语例句

1. One passenger is still unaccounted for.
   仍有一个旅客未在其中。
2. His disappearance is unaccounted for.
   他失踪原因不明。

权威例句

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