Although these weapons are not especially sophisticated, months, if not years, of on-the-ground training would still be necessary.

尽管这些武器不是几年时间是不会很熟悉的，仅仅数月的训练仍然是必须的。

youdao

But at least one death was real: cosmonaut Valentin Bondarenko died in a pressure chamber fire during ground training less than a month before Gagarin's flight.

但是至少有一次牺牲是实实在在的：宇航员Valentin Bondarenko在Gagarin飞行前不到一个月的一次地面训练中因气压舱着火而死亡。

youdao

Neurosurgeons put in 8 years of interning after their standard medical training; fighter pilots put in thousands of flight hours, plus thousands more hours of ground training.

神经外科医师在常规的医疗培训后要从事8年的实习工作；战斗机飞行要经历几千小时的飞行，外加几千小时的地面训练。

youdao

We need to educate midwives , to be training them and also to be providing services on the ground."

VOA: standard.2010.06.15

So it's really a training ground for the final paper, and we have found that people don't succeed in the course in the final paper without the training they get in section discussion, which is why section participation is worth ten percent of your grade.

所以讨论课也是为期末测试而训练的一个基础部分,我们曾发现没有在讨论课上的训练学生是没法,通过期末考试的，这也是为什么讨论课,的出勤率占你们分数的百分之十的原因。

耶鲁公开课 - 旧约导论课程节选

Or they have no winter sports tradition,like Peru, But Jamaican, Kenyan and Peruvian winter Olympic hopefuls have found the perfect snowy training ground in the American West.

VOA: standard.2010.01.22

For affected units, the Air Force says it will shift its focus to ground training.

NPR: Federal Budget Cuts Ground Air Force Aircraft

We used to have a tiny training ground and it was at the side of their 24-acre training ground.

BBC: SPORT | Football | My memories of Cloughie

"With the training in Newbridge it was a case of drilling yourself to the ground every training session and that's not good, " said Hope.

BBC: Matchstick Man's legend lives on