the act or process of making a way into or through something 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 Our aim is to achieve greater market penetration. 我们的目标是进一步打入市场。 The country has the highest smartphone penetration in Europe. 该国拥有欧洲最高的智能手机普及率。
Oxford Collocations Dictionaryadjective- deep
- greater
- high
- …
- achieve
- facilitate
- allow
- …
the act of a man putting his penis into his partner’s vagina or anus （男人阴茎的）插入 Oxford Collocations Dictionaryadjective- sexual
- anal
- vaginal
- …
Word Originlate Middle English: from Latin penetratio(n-), from the verb penetrare ‘place within or enter’.