名词

1. the act of entering into or through something

e.g. the penetration of upper management by women

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

3. an attack that penetrates into enemy territory

Synonym: incursion

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

5. the ability to make way into or through something

e.g. the greater penetration of the new projectiles will result in greater injuries

6. clear or deep perception of a situation

Synonym: insight