如果不幸发生试点拉一切换和一个小推进剂(类似用于汽车安全气囊)的发射迅速部署降落伞。

If something untoward happens the pilot pulls a toggle and a small propellant (similar to one used in a car airbag) is fired rapidly deploying a parachute.

youdao

你同样会面临心碎时刻以及你深爱的人的抛弃。我希望你无须经历太多此类事件，但如果不幸发生了。

You will also face heartbreak and abandonment by those you love. I hope you don't have to face this too much, but it happens.

youdao

我希望你无须经历太多此类事件，但如果不幸发生了，再一次，除了慢慢愈合心中的创伤并继续下去你的生活，你别无选择。

I hope you don "t have to face this too much, but it happens. Again, not much you can do but to heal, and to move on with your life."

youdao

If the vehicle in the unfortunate circumstances of a collision, has to be able to maintain the security of the hydrogen which means more mass, which means a lot of the efficiency is being squandered What's the environmental impact of hydrogen production?

如果车辆,在碰撞中发生了不幸，要仍然能够保持氢气的安全性的话,意味着需要更多的质量，也就是说大部分效率被浪费了,制氢对环境有什么影响呢？

麻省理工公开课 - 固态化学导论课程节选