英语语法分析

The relationship between a parent and a child is instinctual and stems from basic human nature.

父母与孩子之间的关系是本能的，源于人类的本性。

《柯林斯英汉双解大词典》

During critical situations, especially when a threat is perceived, the outer core loses control and fails to regulate the impulses and instinctual responses coming from the primitive brain.

在危急情况下，特别是在察觉到威胁时，外核会失去控制，无法调节来自原始内核的冲动和本能反应。

We even share some basic instinctual quantitative reasoning with distant non-mammalian relatives like birds.

我们甚至与鸟类等非哺乳动物的远亲一样，拥有某种基于本能的基本数量推理能力。