Some balloonists talked of using captive ', ballons from ships.

一些气球飞行家曾提到在舰上使用系留气球的问题。

Freezing temperatures, thin air and erratic currents dancing up and down the Himalayan valleys have claimed the lives of numerous balloonists.

由于气温极低、空气稀薄，加上不、稳定的气流在喜马拉雅山谷上下飘动，已经有无数气球飞行者被夺去了生命。