thysanuran /ˌθɪsəˈnjʊərən/

• 1.  

  N（名词） any primitive wingless insect of the order Thysanura, which comprises the bristletails 缨尾目昆虫
• 2.  

  ADJ（形容词） of, relating to, or belonging to the order Thysanura 缨尾目的