the act or process of making a way into or through something 穿透；滲透；進入 The floor is sealed to prevent water penetration. 地板加了密封塗料防止滲水。 the company’s successful penetration of overseas markets 公司對海外市場的順利開拓 Our aim is to achieve greater market penetration. 我們的目標是進一步打入市場。 The country has the highest smartphone penetration in Europe. 該國擁有歐洲最高的智能手機普及率。
Oxford Collocations Dictionaryadjective- deep
- greater
- high
- …
- achieve
- facilitate
- allow
- …
the act of a man putting his penis into his partner’s vagina or anus （男人陰莖的）插入 Oxford Collocations Dictionaryadjective- sexual
- anal
- vaginal
- …
Word Originlate Middle English: from Latin penetratio(n-), from the verb penetrare ‘place within or enter’.