penetration
/ˌpenɪˈtreɪʃən/noun
mass noun
1
- the action or process of making a way through or into something刺入, 穿入; 穿透：
the plant grows in clear, still waters where there is strong sunlight penetration.
该植物生长在清澈静止, 并能渗透强烈阳光的水中。
1.1
- the ability to do this穿透力：
a weapon which combines the power and penetration of radiation with the precision of the laser.
一种将辐射能量和穿透力与激光精确性结合起来的武器。
1.2
- the insertion by a man of his penis into the vagina or anus of a sexual partner（对性伴侣阴道或肛门的）阴茎插入。
1.3
- the infiltration of an enemy group or rival organization in order to spy on it（对敌对团体或对手组织的）渗透：
the penetration by the KGB of the French intelligence service.
克格勃对法国情报机关的渗透。
1.4
- the successful selling of a company's or country's products in a particular market or area（公司或国家的产品对某市场或地区的）打入, 打进：
Japanese import penetration.
日本进口商品对市场的渗透。
1.5
- the extent to which a product is recognized and bought by customers in a particular market（产品对市场的）渗透度, 打进深度：
the software has attained a high degree of market penetration.
这种软件获得了很高的市场占有率。
2
- the perceptive understanding of complex matters洞察力; 敏锐：
the survey shows subtlety and penetration.
那项调查表现出了细心和洞察力。
词源
late Middle English: from Latin penetratio（n-）, from the verb penetrare 'place within or enter'.