Sent_en: 2zh We ran the engines just like they would run during flight, but instead of being up in the air, they were held down.
  SNT.117104.9002	They weren’t moving, said Lauren Dreyer, SpaceX's manager for business development.
Sent_yy: “我们像在飞行中那样运行发动机，但发动机没有升到空中，而是被压在了地上。