| 正面 | 3992.prevention 英 [prɪ'venʃn]美 [pri'vɛnʃən]     |
|---|---|
| 背面 |     释义： 1、val- "be worth, be of value" + -ue.n. 预防；阻止；妨碍 例句： 1. Calcium may aid in the prevention of colon cancer.钙可能有助于预防结肠癌。 prevention (n.)mid-15c., "action of stopping an event or practice," from Middle French prévention and directly from Late Latin praeventionem (nominative praeventio) "action of anticipating," noun of action from past participle stem of praevenire (see prevent)." |