A non-stop flight around the world without re-fueling was the last flight record to be set. The flight always had been considered impossible.

不着陆加油地环绕世界飞行被称为是终极的飞机记录，这一直以来被认为是不可能的。

youdao

Opening 11 new non-stop routes from Helsinki to European destinations set off a major increase in traffic.

蓝天航空公司开通了11条从赫尔辛基直飞欧洲各大城市的航线，极大地提高了旅客运输能力。

youdao

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

VOA: special.2010.10.06

The nine single-handed yachtsmen who set off at different times in 1968, bidding to be the first to sail non-stop around the world, shared knowledge and friendship.

ECONOMIST: The hubris of racers today