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单词	penetration
释义	pen·e·tra·tion (pĕn′ĭ-trāshən) n. 1. The act or process of piercing or penetrating something, especially: a. The act of entering a country or organization so as to establish influence or gain information. b. An attack that penetrates enemy territory or a military front. c. Insertion of the penis into the vagina or anus. 2. The power or ability to penetrate. 3. The depth reached by a projectile after hitting its target. 4. a. The degree to which a commodity, for example, is sold or recognized in a particular market. b. The extent of influence that one culture or nation has on another. 5. The capacity or action of understanding; insight.
随便看	nephritis nephro- nephroblastoma nephrogenic nephrogenous nephrologist nephrology nephron nephropathic nephropathy nephrosis nephrotic nephrotomy ne plus ultra nepotism nepotist nepotistic nepotistical Neptune Neptunian neptunium neral nerd nerdy Nereid

英语词典包含135693条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。