这部机器是用水蒸气推进的.This machine is driven by steam.航空部对喷气推进的兴趣正在增加。Interest in jet propulsion was now growing at the Air Ministry.德军推进的方向现在已经看得更加清楚了.The direction of the German thrust had now become more obvious....

“推进的”的英语可以翻译为：driving，impellent，[机] propulsive，pulsive ...