记忆方法
记忆“penetration”的方法是将它分解为两个部分：“pen”和“etration”。将“pen”与“penetrate”结合，想象一支笔（pen）穿透（penetrate）一层层纸张（象征复杂或障碍），形成“穿透”或“渗透”的概念。通过这个形象化的记忆，可以轻松回忆起“penetration”的意思。
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英语词源
- penetration (n.)
- 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.
权威例句
- 1. The floor is sealed to prevent water penetration.
- 地板加了密封涂料防止渗水。
- 2. Our aim is to achieve greater market penetration.
- 我们的目标是进一步打入市场.
- 3. He is a man of penetration.
- 他是一个富有洞察力的人.
- 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。
- 5. It is important to get even distribution of water and good penetration.
- 灌水时水量均匀分布和充分渗透是很重要的.