c. 1600, "insight, shrewdness," from Latin penetrationem (nominative penetratio) "a penetrating or piercing," noun of action from past participle stem of penetrare (see penetrate). The sexual sense is attested from 1610s.
双语例句
1. The floor is sealed to prevent water penetration.
地板加了密封涂料防止渗水。
来自《权威词典》
2. Our aim is to achieve greater market penetration.
我们的目标是进一步打入市场.
来自《简明英汉词典》
3. He is a man of penetration.
他是一个富有洞察力的人.
来自《简明英汉词典》
4. The exterior walls are three to three and a half feet thick to prevent penetration by bombs.
外墙厚3到3.5英尺，以防炸弹穿透。
来自柯林斯例句
5. It is important to get even distribution of water and good penetration.
