And then about 30 seconds before launch, the vehicle is completely alive -- it is ready to go -- the APUs are running, the computers are all self-contained, it's ready to leave the planet.
然后在发射前约 30 秒时， 飞船完全地活动起来—— 准备好要出发了-- 加速处理器在运行， 计算机都是自控的， 它已准备离开这个星球。