推进

• The fascists were coming eastwards swiftly, they said .
  他们说，法西斯军正在迅速地向东推进。
• This pushing-in of cells marks the start of gastrulation .
  细胞的这种向里推进标志着原肠胚形成的开始。
• It set back the invaders far more than our forces had .
  它比我们的部队远为有效地阻碍了入侵部队的推进。
• The motor caught .
  推进机安上了。
• The direction of the german thrust had now become more obvious .
  德军推进的方向现在已经看得更加清楚了。
• For proper combustion it is necessary to atomize the propellants .
  为了有效地进行燃烧，推进剂必须雾化。
• This is the time to push rather than to slacken our efforts .
  今后更应向前推进一步，决不能松懈我们的努力。
• The liquids employed for rocket propulsion are called propergols .
  用于火箭发动机的液体称为液体火箭推进剂。
• The investigation of dark nebulas has been facilitated by a new discovery .
  对暗星云的研究被一种新发现所推进。
• Iron oxide may be utilized in achieving propellants of ultrahigh burn rate .
  氧化铁可用以制出超高燃速的推进剂。