1、The pneumatization of bones is an adaptation that allows for lighter weight and increased buoyancy in certain animals, such as birds.
骨骼的充氣化是某些動(dòng)物(如鳥類)為減輕體重和增加浮力而進(jìn)行的適應(yīng)性改變。
2、Sinus pneumatization refers to the process of the sinus cavities in the skull becoming filled with air.
鼻竇充氣化是指頭骨中鼻竇腔被充滿空氣的過程。