Once every three or four years, when conditions are right, the lake is covered with the pink birds as they stop flight to breed.

每隔三四年，条件适宜时，湖面上就会布满火烈鸟，它们停止飞行开始繁殖。

youdao

Is there a non-stop flight to London?

有直达伦敦的航班吗？

youdao

Is there any non-stop flight to Beijing on Saturday?

星期六有直飞北京的班机吗？

youdao

A non-stop flight around the world without re-fueling was the last flight record to be set.

VOA: special.2010.10.06

So shocked was I about these conditions on a 13-hour non-stop flight that I wrote to my M.

BBC: News Online

Unless you cause a ruckus and divert a non-stop flight from Los Angeles to New York to another airport.

CNN: American Airlines passengers will not 'always love her'

With reserves falling (see chart), Mr Correa tried to stop capital flight.

ECONOMIST: Life outside the system becomes a bit harder