inseminating pit

例句：

1. 1. The female mammal has a structure that allows for the insemination of sperm into the egg.
   雌性哺乳动物具有一种结构，允许精子进入卵子。
2. 2. During the mating season, males release spermatozoa into the insemination pouch to fertilize eggs.
   在交配季节，雄性释放精子到受精囊中以使卵子受精。
3. 3. In some species, the insemination pouch is located on the outside of the body and can be used as a receptacle for spermatozoa.
   在一些物种中，受精囊位于身体外部，可以用作精子的储存容器。