pene·tra·tion/ˌpenɪˈtreɪʃn; NAmEˌpenɪˈtreɪʃn/noun[uncountable ]1the act or process of making a way into or through sth 穿透;渗透;进入◆The floor is sealed to prevent water penetration.地板加了密封涂料防止渗水。◆the company's successful penetration of overseas markets公司对海外市场的顺利开拓2the act of a man putting his penisinto his partner's vaginaor anus(男人阴茎的)插入penetrationpenetrationspene·tra·tion/ˌpenɪˈtreɪʃn; NAmEˌpenɪˈtreɪʃn/
LDC
penetrationpen‧e‧tra‧tion /ˌpenəˈtreɪʃən/ noun
Examples
1[countable, uncountable] when something or someone enters or passes through something, especially when this is difficult: Cover the entire device to prevent water penetration.penetration of The attack failed to lead to any deep penetration of enemy territory.2[countable, uncountable] the degree to which a product is available or sold in an areapenetration of the rise in import penetration of the domestic market3[uncountable] when a system of beliefs enters a society and becomes acceptedpenetration of the penetration of Marxism into Latin America4[uncountable] when someone joins and gets accepted by an organization, business etc in order to find out secret informationpenetration of foreign penetration of the British secret service5[uncountable] when a man puts his penis into a woman’s vagina or into someone’s anus6[uncountable] a special ability to understand things very clearly and completely
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