Instincts
n. 直觉；本能（instinct的复数）
🗣️ 情景例句
What are you going to do about your appointment
那怎么办
What day is it today?
今天星期几？
and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
因此，尽管制造这些工具的人的骨头早已荡然无存，但远古时代的石头工具却保存了下来。