cloacal

例句：

1. 1. The scientist conducted an experiment to study the cloacal region of the animal.
   科学家进行了一项实验来研究动物的肠道区域。
2. 2. The patient had a cloacal infection that required immediate treatment.
   病人患有一种需要立即治疗的肠道感染。
3. 3.The researcher discovered new insights into the cloacal system of the human body.
   研究者发现了关于人体肠道系统的新见解。