资料来源 : pyDict

唇基; 盾状体

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Clypeus \Clyp"e*us\, n.; pl. {Clypei}. [L., a shield.]
   (Zo["o]l.)
   The frontal plate of the head of an insect.

资料来源 : WordNet®

clypeus
     n : a shield-like plate on the front of an insect's head
     [also: {clypei} (pl)]