crop sac

• 嗉囊

crop sac的用法和样例：

例句

1. At the posterior end of the oesophagus is the crop.
   食道的后端是嗉囊。
2. Feed passes through the esophagus and into a temporary storage organ, the crop.
   食料经食道进入一个暂时的贮存器官，即嗉囊。