cricoid       
 adjective  medical specialized uk/ˈkraɪ.kɔɪd/ us/ˈkraɪ.kɔɪd/
 环状的
shaped like a ring
  In a young thin person the thyroid may be visible just below the cricoid cartilage. 在一个较瘦的年轻人身上,甲状腺有可能在环状软骨下方看到。 
 cricoid      
noun [ C ]  anatomy specialized uk/ˈkraɪ.kɔɪd/ us/ˈkraɪ.kɔɪd/
 环状软骨
the cartilage that supports the larynx (= the organ that creates the human voice) and is shaped like a ring