缺乏下颌属于严重缺陷。

Lack of underjaw should be strictly penalized.

youdao

剪状咬合，严重的下颌突出或上颌突出都属于有缺陷。

Teeth Scissors bite. A badly undershot or overshot mouth is a fault.

youdao

剪状咬合，严重的下颌突出或上颌突出都属于有缺陷。

Teeth Scissors bite. A badly undershot or overshot mouth is a fault.

youdao