fly-in
/ˈflaɪˌɪn/noun
1- a meeting for pilots who arrive by air（与会者乘飞机到达的）飞行员会议：
they are holding a helicopter flyin.
他们正在开直升机飞行员会议。
1.1
- an act of transporting people or goods by air（人员、货物的）空运：
one or two fly-ins to remote lakes.
向偏远湖泊的一两次空运。
1.2
- as modifier denoting a place or activity which is reached using an aircraft乘飞机到达（或参加活动）的：
fly-in canoe trips.
乘飞机到达出发点的轻舟旅行。