underbites

underbites

美 　英

• 网络包天

词形变化

复数：underbites  

英汉解释

n.	1. a dental condition in which the lower incisor teeth overlap the upper.

例句

They produced offspring better than themselves but sometimes they also produced cryptorchism , underbites and missing teeth.

它们产出比自身品质更加优良的幼犬但是有时候也产生隐性的不良基因，比如咬合不良，牙齿残缺不齐。