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      首頁英語詞典propulsionpropulsion的意思
      
                    
      
	
      propulsion
      
	
      英 [pr?'p?l?(?)n]
美[pr?'p?l??n]

      


	    
      
	
        
    
      • n. 推進；推進力
        •     
      
	
      

      

      
IELTSGRETOEFLCET6低頻詞暢通詞匯
      
	
      詞態(tài)變化
      
	
      
	
      復數(shù):?propulsions;形容詞:?propulsive;
      
		
      助記提示
      
	
      
	
      1、pro- "forward" + puls- "drive, push" + -ion.
      
2、含義：push forward, drive forward, drive forth.
      
		
      中文詞源
      
	
      
	
      propulsion 推進，推動
      來自propel,推進，推動，-s,過去分詞后綴。
      
		
      英文詞源
      
	
      
	
      propulsion (n.)
      1610s, "expulsion," noun of action formed from propuls-, past participle stem of Latin propellere "to propel" (see propel). Meaning "act of driving forward, propulsive force" first attested 1799.
      
		
      雙語例句
      
	
      
	
      1. The nineteenth century witnessed a revolution in ship design and propulsion. 
       
      19世紀船舶設計和船舶動力領域發(fā)生了重大的變革。
       
      來自柯林斯例句
       
      2. Interest in jet propulsion was now growing at the Air Ministry. 
       
      航空部對噴氣推進的興趣正在增加。
       
      來自辭典例句
       
      3. The liquids employed for rocket propulsion are called propergols. 
       
      用于火箭發(fā)動機的液體稱為液體火箭推進劑.
       
      來自辭典例句
       
      4. The propulsion system consists of five F - 1 engines. 
       
      推進系統(tǒng)包括五個F -1 發(fā)動機.
       
      來自辭典例句
       
      5. The essential quality that dictates the choice of this propulsion system is readiness. 
       
      決定選用這種推進系統(tǒng)的主要因素就是其簡便性.
       
      來自辭典例句