air sac

常见例句

双语例句

The invention provides a walking shielding air sac.
一种学步保护气囊。
ip.com
In apes the hyoid attaches to a large pouch called an air sac, that makes sounds bigger and deeper.
猿的舌骨依附于一个很大的喉囔，科学家称之为气囊，它可以让声音更大、更深沉。
Homo erectus of a million years ago also likely had an air sac. But we don't – and nor did Neanderthals.
一百万年前的直立人很可能有气囊，但现在的我们没有，过去的尼安德特人也没有。