air drop
noun [ C ] uk/ˈeə ˌdrɒp/ us/ˈer ˌdrɑːp/
空投
the act of bringing supplies or equipment by dropping them from aircraft
UN planes have made air drops to 300 flood-hit villages. 联合国飞机已向遭受洪灾的300个村庄空投了救援物资。
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