"penetration" 的定义和意义

the act of entering into or through something

clear or deep perception of a situation

the act (by a man) of inserting his penis into the vagina of a woman

the depth to which something penetrates (especially the depth reached by a projectile that hits a target)

the ability to make way into or through something

the percentage of cards that have been dealt from the deck during a card game, especially in blackjack, providing players with information about the remaining cards in the shoe