They are dropping food and medical supplies by helicopter to the most remote communities, but the steep mountains make even that a hazardous process.
他们使用直升飞机向最偏远的地区投递食品和医疗补给，但是陡峭的大山使得空投过程也非常有危险。
They are dropping food and medical supplies by helicopter to the most remote communities, but the steep mountains make even that a hazardous process.
他们使用直升飞机向最偏远的地区投递食品和医疗补给，但是陡峭的大山使得空投过程也非常有危险。
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