plastrons 

  1. 名詞
plastron複數: (龜等的)腹甲
(古時的)胸甲
(海膽的)盾板
(女服等的)胸飾
(男襯衣等的)前胸襯領

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                The plastrons of hatchlings are dull gray to brown.                            
    2. 
                                                    
  2. 
                                The plastrons of males may also be softer than females.                            
    3. 
                                                    
  3. 
                                Significant use of tortoise plastrons does not appear until the Shang culture sites.                            
    4. 
                                                    
  4. 
                                Plastrons do not become more numerous than scapulae until the Rénmín (人民) Park phase.                            
    5. 
                                                    
  5. 
                                Males also have more concave plastrons , believed to be another adaptation for mating.                            
    6.