sphincter 

  1. 名詞
括約肌
/此名詞複數為"sphincters"/
a sphincter pupillae/
sphincters pupillae:
瞳孔括約肌

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                The external anal sphincter was protected.                            
    2. 
                                                    
  2. 
                                This sphincter is very well developed in horses.                            
    3. 
                                                    
  3. 
                                The external sphincter is under voluntary control.                            
    4. 
                                                    
  4. 
                                It has not begun to spread into the sphincter muscle.                            
    5. 
                                                    
  5. 
                                He crumpled to the deck, his sphincter muscle giving out.                            
    6.