狼的怀孕周期是多长？

What is the gestation (pregnancy) period of a wolf?

youdao

——不是的，即使在你的生理周期你也是会怀孕的。

No, pregnancy can occur during your period.

youdao

产品描述玻璃环用一种简单的方法来预测怀孕的周期。

Product DescriptionCycleBeads are an easy way to use a natural family planning method.

youdao

产品描述玻璃环用一种简单的方法来预测怀孕的周期。

Product DescriptionCycleBeads are an easy way to use a natural family planning method.

youdao