All of them are experienced firefighters who have to master parachute jumping for the job.

他们都是经验丰富的跳伞灭火员，必须掌握降落伞技能才能胜任工作。

And back in Britain in 1943 it was her character rather than her skills or physical abilities that got her through her training in grenade throwing, silent killing and parachute jumping.

而再往前，1943年在英国时，正是因为她的顽强的性格，而不是她的技术或身体素质，使她通过了扔手榴弹、无声杀人和跳伞训练。