| 释义 |
●ˌstack ˈup●ˌstack sth ˈupif planes stack up or are stacked up over an airport, there are a lot of them flying around waiting to land （飞机）作分层盘旋（等待降落）◆Planes stacked up at Heathrow after an accident on the runway.
由于跑道上出了事故，飞机在希思罗机场上空作分层盘旋。 NOTE Stack and stack sth are sometimes used on their own with this meaning * stack 和 stack sth 单独使用有时也作此义◆a queue of planes stacked in the air over the closed airport
在关闭的机场上空作分层盘旋的候降飞机[v + adv] [v + adv + n] [v + n/pron + adv] |