air-droppingCOCA³¹⁵¹¹¹⁺⁴ 基本例句 un.空降 Ground traffic disruption about documents provided, the Air Force transport planes, civilian airliner disaster will be thousands of tonnes of air-dropping supplies to the disaster areas. 地面交通受阻公文有约提供，空军运输机、民航客机将数千吨抗灾物资空投到灾区。 peonysquare