劍橋詞典 penetration noun [U] (MOVEMENT INTO) a movement into or through something or someone 進(jìn)入;穿透 Sunscreens can help reduce the penetration of ultraviolet rays into the skin . 防曬霜可以減少紫外線穿透皮膚。 The company is trying to increase its penetration of the market . 該公司正在努力擴(kuò)大其市場份額。 the act of a man putting his penis into his partner's body during sex (性交時(shí)隂莖的)插入 penetration noun [U] (UNDERSTANDING) formal someone's ability to understand quickly and well 洞察力 返回 penetration