Definition
Fundamental information regarding sexual activity and reproduction, including the process of childbirth.
性知識；生育常識
He decided to have a talk with his son about the facts of life.
他決定與兒子談談關於生命的事實。
My school was woefully inadequate when it came to teaching us the facts of life.
我的學校在教導我們關於生命的事實方面嚴重不足。
She was seventeen years old before anyone told her about the facts of life.
她十七歲時才有人告訴她關於生命的事實。