流动

• We shall refer to such flows as shallow flows .
  这种流动我们将称之为薄层流动。
• I got to my feet, trembling as i thawed .
  身上的血流动了，我战战兢兢地爬起来。
• The term "fluid" means a substance that can flow .
  所谓“流体”是指可流动的物质。
• Mass flow occurs as a result of external forces .
  质体流动的发生是由于外力的结果。
• Sand under quick condition is often called quicksand .
  通常把快速流动的沙叫做流砂。
• The art troupe is always on the move in frontier guards .
  文工团常年在边防部队流动。
• The flow is primarily laminar .
  这种流动主要是层流。
• The flow domain has the form of an infinite half strip .
  流动区域为一半无限带形区域。
• In a uniform flow, the velocity is constant everywhere .
  在均匀流动中，速度处处相同。
• In the past itinerant merchants sold harmful products .
  过去，流动的商人出售有毒的产品。