braincase

1. One concern is that the fossil skull is fairly small, with a somewhat lower braincase capacity than in modern humans.
   顾虑之一，是这件颅骨化石相对较小，脑容量比现代人小。
2. The problem with studying humanity's fossil record is that it is so sparse: a jawbone here; a braincase there.
   研究人类化石记录最大的问题是资源稀缺，总是这儿一块颚骨，那儿一块头骨。
3. Along with bigger teeth and a studier body, the dire wolf also had a smaller braincase.
   这种古狼与现代的灰狼相比，具有相对宽而短的头部，脑壳较小，同时它的牙齿也更大，身体更为健壮结实。

noun

1. the part of the skull that encloses the brain

   Synonym:    craniumbrainpan