| 单词 | penetration |
| 释义 | pene·tra·tionBrE /ˌpenəˈtreɪʃn/ NAmE /ˌpenəˈtreɪʃn/ noun [U ]the 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the act of a man putting his penis into his partner's vagina or anus（男人阴茎的）插入 |
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