adj.下颚突出的,下射的;
v.射击低于,脱靶( undershoot的过去式和过去分词 );
例句:
The plane undershot the runway.
飞机着陆未达飞机跑道.
Is it level, over or undershot?
还是上超咬合或下超咬合?
Bite-The jaw is wide and slightly undershot.
下颌宽,轻微的下颌突出式咬合.