A tract of leveled land where aircraft can take off and land, usually equipped with hard-surfaced landing strips, a control tower, hangars, aircraft maintenance and refueling facilities, and accommodations for passengers and cargo.是什么意思_A tract of leveled land where aircraft can take off and land, usually equipped with hard-surfaced landing strips, a control tower, hangars, aircraft maintenance and refueling facilities, and accommodations for passengers and cargo.在线翻译_英语_读音_用法_例句