penetration

• 名词，指进入、穿透或穿过某物的动作或过程，可指物理上的穿透、军事上的侵入，或感知上的洞察。

A noun referring to the act or process of entering, piercing, or making way into or through something, whether physically, militarily, or perceptually.

不可数

1. Military incursionB2formalpolitical

   An attack that successfully enters enemy territory.

   侵入

   • The army's penetration into the enemy's stronghold was swift.
   • They planned a deep penetration behind enemy lines.
   • The penetration of the border was met with heavy resistance.

   同义词breakthroughforayincursioninfiltrationinvasionraidthrust

   反义词evacuationretreatwithdrawal

2. Deep understandingC1formal

   Clear and deep perception or insight into a situation or problem.

   洞察力

   • Her penetration of the complex issue impressed the committee.
   • The analyst showed great penetration in his market report.
   • His penetration into the motives of the characters was remarkable.

   同义词acuityacumenastutenessdiscernmentinsightperceptionperspicacitysagacityshrewdnessunderstanding

   反义词ignoranceshallownesssuperficiality

3. B2formaltechnical

   The act of entering into or passing through something.

   穿透

   • The penetration of the needle through the fabric was smooth.
   • Water penetration into the basement caused damage.
   • The drill's penetration into the rock was slow but steady.

   同义词entranceentryincursioninsertionintrusioninvasionperforationpiercingpuncture

   反义词departureexitwithdrawal

4. Ability to enterB2formalscientific

   The ability to make way into or through a substance or area.

   穿透

   • The material's penetration by light was tested in the lab.
   • The knife's penetration into the wood was limited by its dullness.
   • The penetration of the soil by roots is essential for plant growth.

   同义词accessentryinfiltrationingressperforationpermeationpiercingpuncture

   反义词impenetrabilityimpermeabilityimperviousness

5. Depth reachedC1formaltechnical

   The depth to which something penetrates, especially a projectile hitting a target.

   穿透深度

   • The bullet's penetration into the armor was measured at 5 centimeters.
   • The penetration of the missile into the bunker was devastating.
   • Engineers calculated the penetration depth of the pile driver.

   同义词depthdistanceextentreach

6. Sexual actC2formalmedical

   The act, typically by a man, of inserting the penis into the vagina of a woman.

   插入

   • The law defines sexual intercourse as involving penetration.
   • Penetration is a key element in the legal definition of rape.
   • The medical text described the process of penetration during coitus.

   同义词coituscopulationentryintercoursesexsexual intercourse