The aircraft and its crew were posted missing.

据报这架飞机和机组人员已失踪。

《牛津词典》

We have accounted for all our aircraft and none are missing.

我们已经盘点了我们所有的飞机，没有一架飞机失踪。

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After just missing a hostel in which some 50 young people were gathered, the aircraft plunged to earth in a wood.

在擦过一所聚集了50个年轻人的旅舍后，这架飞机坠落在一个树丛中。

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Last December Iran said it had captured another, less sophisticated drone, but the US denied any such aircraft was missing.

BBC: Iran shows 'hacked US spy drone' video footage

In the autumn it could not cope with a bulging order book and halted production lines for a month to complete a number of aircraft that were missing parts.

ECONOMIST: Bouncing Boeing

"But in these conditions, it's very problematic, " Parker said, adding that a timely deployment of search-and-rescue aircraft and ships gives the missing a chance.

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