母亲保护孩子的本能非常强烈且与生俱来。

A mother's ___instinct to protect her children is incredibly strong and innate.

任何父母的自然本能是将孩子的安全置于一切之上。

The natural ___instinct of any parent is to prioritize the safety of their child above all else.

在紧急情况下，他的生存本能立即接管，让他无需思考就能做出反应。

His survival ___instinct immediately took over, allowing him to react without conscious thought during the emergency.