救援直升机在坠机地点上空盘旋了数小时，搜寻幸存者。

The rescue helicopter ___circled the crash site for hours, searching for survivors.

海鸥围绕着渔船盘旋，希望能得到一些残羹剩饭。

Seagulls ___circled the fishing boat, hoping for scraps.

焦虑似乎在她的脑海中盘旋，阻碍了清晰的思考。

Anxiety seemed to ___circle her mind, preventing clear thought.