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.
「われわれは飛行中と同じようにエンジンを動かしたが、空中に飛ばさずに、押さえつけておいた。」