gastrovascular

gastrovascular

1. From there, the jelly would be ushered into the coral's "very simple" digestive system, a gastrovascular cavity that breaks down any food--and then back out the way it came.

由此，水母会因陷入香菇珊瑚那非常简单的陷阱而最终被一步步分解为可以被食用的食物，并在最后依照原先的通道中被排泄出去。

2. gastrovascular system

胃循环系 腔肠系

3. gastrovascular cavity

胃循环腔

4. their tissues, composed of two cell layers, surround a cavity known as a coelenteron (gastrovascular cavity), which is the basic internal organ.

身体大致呈杯形，由内、外胚层组成的组织围绕著一个空腔（腔肠），这是它基本的内部器官，此外并无明确的呼吸、循环和排泄器官。