有两次失败的教训：1986年1月刚刚发射过后，一个固体火箭助推器的O型圈密封泄漏导致的爆炸，使我们失去了挑战者号和7名宇航员。

There have been two failures: The shuttle Challenger and seven astronauts were lost just after launch in January 1986 due to an O-ring seal leak in a solid rocket booster that led to an explosion.

youdao

这家伙跨度有5万光年，可能是我们星系中心的一个超大号黑洞爆炸后的残留。

The feature spans 50, 000 light-years and may be the remnant of an eruption from a supersized black hole at the centre of our galaxy.

youdao

我们有一个很好的运行，这是一个爆炸而我们只能这样做，但每个人都很好。

We had a good run and it was a blast while we could do it, but everybody is good.

youdao

我们有一个很好的运行，这是一个爆炸而我们只能这样做，但每个人都很好。

We had a good run and it was a blast while we could do it, but everybody is good.

youdao