飞机不幸坠毁
The plane crashed.
以上为机器翻译结果，长、整句建议使用 人工翻译 。
很不幸他们的飞机坠毁到山区。
Unfortunately their plane crashed into the mountain.
youdao
2003年因哥伦比亚航天飞机失事而遇难的以色列宇航员的儿子，在训练中由于战斗机坠毁不幸死亡。
The 20-year-old pilot son of the Israeli astronaut who died in the Columbia space shuttle disaster of 2003, was killed when his fighter plane crashed during training.
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