ventral divisions divisiones ventrales

例句：

1. 1.The animal's ventral side is smooth and hairless.
   这只动物的腹面光滑且无毛。
2. 2.The scientist conducted experiments on the ventral region of the mouse.
   科学家对小鼠的腹面区域进行了实验。
3. 3. The ventral fin helps the fish to swim efficiently.
   腹鳍帮助鱼高效游动。